Cross-listings

gr-qc/0605001 [abs, ps, pdf, other] :: Title: Chaplygin gas with non-adiabatic perturbations
Authors: W. Zimdahl, J.C. Fabris
Comments: Latex file, 10 pages. Submitted to the proceedings of the I Brazilian Workshop on Dark Energy/Matter

Perturbations in a Chaplygin gas, characterized by an equation of state $p = -A/\rho$, may acquire non-adiabatic contributions if spatial variations of the parameter $A$ are admitted. This feature is shown to be related to a specific internal structure of the Chaplygin gas. We investigate how perturbations of this type modify the adiabatic sound speed. A reduction of the effective sound speed compared with the adiabatic value is expected to suppress oscillations in the matter power spectrum. This text is an abridged version of the following reference: W. Zimdahl and J.C. Fabris, Classical and Quantum Gravity, {\bf 22}, 4311(2005).
gr-qc/0605024 [abs, ps, pdf, other] :: Title: Relativistic mechanics of neutron superfluid in (magneto) elastic star crust
Authors: Brandon Carter, Lars Samuelsson
Comments: 28 pages, Latex

At densities below the neutron drip threshold, a purely elastic solid model (including, if necessary, a frozen-in magnetic field) can provide an adequate description of a neutron star crust, but at higher densities it will be necessary to allow for the penetration of the solid lattice by an independently moving current of superfluid neutrons. In order to do this, the previously available category of relativistic elasticity models is combined here with a separately developed category of relativistic superfluidity models in a unified treatment based on the use of an appropriate Lagrangian master function. As well as models of the purely variational kind, in which the vortices flow freely with the fluid, such a master function also provides a corresponding category of non-dissipative models in which the vortices are pinned to the solid structure.
hep-ph/0605047 [abs, ps, pdf, other] :: Title: A possible symmetry of the $\nu$MSM
Authors: Mikhail Shaposhnikov
Comments: 12 pages

To explain the dark matter and the baryon asymmetry of the Universe, the parameters of the $\nu$MSM (an extension of the Minimal Standard Model by three singlet neutrinos with masses smaller than the electroweak scale) must be fine-tuned: one of the masses should be in the ${\cal O} (10)$ keV region to provide a candidate for the dark-matter particle, while two other masses must be almost the same to enhance the CP-violating effects in the sterile neutrino oscillations leading to the baryon asymmetry. We show that a specifically defined global lepton-number symmetry, broken on the level of ${\cal O} (10^{-3})$ leads to the required pattern of sterile neutrino masses being consistent with the data on neutrino oscillations.
hep-th/0605039 [abs, ps, pdf, other] :: Title: Dark energy cosmology from higher-order, string-inspired gravity and its reconstruction
Authors: Shin'ichi Nojiri, Sergei D. Odintsov, M. Sami
Comments: 15 pages, 3 figures

In this paper we investigate the cosmological effects of modified gravity with string curvature corrections added to Einstein-Hilbert action in the presence of a dynamically evolving scalar field coupled to Riemann invariants. The scenario exhibits several features of cosmological interest for late universe. It is shown that higher order stringy corrections can lead to a class of dark energy models consistent with recent observations. The model can give rise to quintessence, deSitter or phantom dark energy, in last case without recourse to negative kinetic energy field. The detailed treatment of reconstruction program for general scalar-Gauss-Bonnet gravity is presented for any given cosmology. The explicit examples of reconstructed scalar potentials are given for accelerated (quintessence, cosmological constant or phantom) universe. Finally, the relation with modified $F(G)$ gravity is established on classical level and is extended to include third order terms on curvature.
hep-th/0605045 [abs, ps, pdf, other] :: Title: Observational Signatures and Non-Gaussianities of General Single Field Inflation
Authors: Xingang Chen, Min-xin Huang, Shamit Kachru, Gary Shiu
Comments: 50 pages, 5 figures

We perform a general study of primordial scalar non-Gaussianities in single field inflationary models. We consider models where the inflaton Lagrangian is an arbitrary function of the scalar field and its first derivative, and the sound speed is arbitrary. We find that under reasonable assumptions, the non-Gaussianity is completely determined by 5 parameters. In special limits of the parameter space, one finds distinctive ``shapes'' of the non-Gaussianity. In models with a small sound speed, several of these shapes would become potentially observable in the near future. Different limits of our formulae recover various previously known results.
hep-th/0605057 [abs, ps, pdf, other] :: Title: Scaling Dynamics of Domain Walls in the Cubic Anisotropy Model
Authors: Richard A. Battye Adam Moss
Comments: 16 pages, 12 figures

We have investigated the dynamics of domain walls in the cubic anisotropy model. In this model a global O(N) symmetry is broken to a set of discrete vacua either on the faces, or vertices of a (hyper)cube. We compute the scaling exponents for $2\le N\le 7$ in two dimensions on grids of $2048^2$ points and compare them to the fiducial model of $Z_2$ symmetry breaking. Since the model allows for wall junctions lattice structures are locally stable and modifications to the standard scaling law are possible. However, we find that since there is no scale which sets the distance between walls, the walls appear to evolve toward a self-similar regime with $L\sim t$.
nucl-th/0605013 [abs, ps, pdf, other] :: Title: The Neutrino Response of Low-Density Neutron Matter from the Virial Expansion
Authors: C.J. Horowitz, A. Schwenk
Comments: 8 pages, 5 figures

We generalize our virial approach to study spin-polarized neutron matter and the consistent neutrino response at low densities. In the long-wavelength limit, the virial expansion makes model-independent predictions for the density and spin response, based only on nucleon-nucleon scattering data. Our results for the neutrino response disagree with random-phase approximation calculations due to the interaction model used for the latter. The virial expansion is suitable to describe matter near the supernova neutrinosphere, and this work extends the virial equation of state to predict neutrino interactions in neutron matter.

Replacements

astro-ph/0504508 [abs, ps, pdf, other] :: Title: Non-linear perturbations in multiple-field inflation
Authors: G.I. Rigopoulos, E.P.S. Shellard, B.J.W. van Tent
Comments: 13 pages, no figures. v4: Included general form of equations of motion and constraints (before fixing gauge); minor textual changes. Matches published version
Journal-ref: Phys.Rev. D73 (2006) 083521
Note: replaced with revised version Fri, 5 May 2006 14:03:02 GMT (21kb)
astro-ph/0506704 [abs, ps, pdf, other] :: Title: Large non-Gaussianity in multiple-field inflation
Authors: G.I. Rigopoulos, E.P.S. Shellard, B.J.W. van Tent
Comments: 21 pages, 9 figures. v4: Minor textual changes to match published version. In addition, and superseding the published version, a small error in X and X-bar has been corrected; no significant changes to the final results. Note that an extended (no slow roll) numerical treatment superseding section V.D is available in astro-ph/0511041
Journal-ref: Phys.Rev. D73 (2006) 083522
Note: replaced with revised version Fri, 5 May 2006 15:11:44 GMT (754kb)
astro-ph/0507606 [abs, ps, pdf, other] :: Title: First Results On Shear-Selected Clusters From the Deep Lens Survey: Optical Imaging, Spectroscopy, and X-ray Followup
Authors: D. Wittman (1), I.P. Dell'Antonio (2), J.P. Hughes (3), V.E. Margoniner (1), J.A. Tyson (1), J.G. Cohen (4), D. Norman (5) ((1) UC Davis, (2) Brown University, (3) Rutgers, (4) Caltech, (5) CTIO)
Comments: v2 as published in ApJ, 45 pages, 18 figures. Biggest change from v1 is addition of a figure showing the 1-point distribution of pixels in the mass maps and control "mass maps" using the non-tangential component of shear, demonstrating that all candidate peaks are higher than any peak seen in the control maps
Journal-ref: ApJ 643, 128 (2006)
Note: replaced with revised version Fri, 5 May 2006 18:43:30 GMT (2483kb)
astro-ph/0511357 [abs, ps, pdf, other] :: Title: Simulating the physical properties of dark matter and gas inside the cosmic web
Authors: K. Dolag, M. Meneghetti, L. Moscardini, E. Rasia, A. Bonaldi
Comments: minor changes, 2 new figures, MNRAS in press; High resolution version available at: this http URL
Note: replaced with revised version Fri, 5 May 2006 19:06:08 GMT (921kb)
astro-ph/0511450 [abs, ps, pdf, other] :: Title: Study of the relationship between the gamma ray bursts and their host galaxies
Authors: S. E. Nuza (IAFE), P. B. Tissera (IAFE), L. J. Pellizza (CEA), D. G. Lambas (OAC), C. Scannapieco (IAFE), M. E. De Rossi (IAFE)
Comments: Minor changes after referee report. To appear in the 48th Bulletin of the Argentine Astronomical Society (BAAA 48, 2005). 4 pages, baaa-eng.sty
Note: replaced with revised version Fri, 5 May 2006 14:33:49 GMT (21kb)
astro-ph/0511812 [abs, ps, pdf, other] :: Title: Astrophysical Gyrokinetics: Basic Equations and Linear Theory
Authors: Gregory G. Howes, Steven C. Cowley, William Dorland, Gregory W. Hammett, Eliot Quataert, Alexander A. Schekochihin
Comments: emulateapj, 24 pages, 10 figures, revised submission to ApJ: references added, typos corrected, reorganized and streamlined
Note: replaced with revised version Thu, 4 May 2006 20:54:14 GMT (87kb)
astro-ph/0601474 [abs, ps, pdf, other] :: Title: Radio Linear and Circular Polarization from M81*
Authors: Andreas Brunthaler (1,2), Geoffrey C. Bower (3), Heino Falcke (4,5) ((1) Joint Institute for VLBI in Europe, (2) Max-Plank Institut fuer Radioastronomie, (3) Berkeley, (4) Astron, (5) Universiteit Nijmegen)
Comments: Astronomy & Astrophysics, minor changes, matching the published version, also available at this http URL
Journal-ref: A&A 451, 845-850 (2006)
Note: replaced with revised version Fri, 5 May 2006 11:29:26 GMT (60kb)
astro-ph/0602133 [abs, ps, pdf, other] :: Title: Detecting neutrino mass difference with cosmology
Authors: Anze Slosar
Comments: 5 pages, 4 figures, v2: replaced with version accepted to the PRD: added fisher matrix analysis, conclusions somewhat chaged
Note: replaced with revised version Fri, 5 May 2006 10:04:46 GMT (38kb)
astro-ph/0602137 [abs, ps, pdf, other] :: Title: Deciphering Inflation with Gravitational Waves: Cosmic Microwave Background Polarization vs. Direct Detection with Laser Interferometers
Authors: Tristan L. Smith (Caltech), Hiranya V. Peiris (KICP/EFI, U. Chicago), Asantha Cooray (U.C. Irvine)
Comments: 6 pages, 2 color figures, to appear in PRD. Final accepted version has expanded discussion and added references; no conclusions changed. Full resolution figures are available at this http URL
Note: replaced with revised version Fri, 5 May 2006 10:59:40 GMT (612kb)
astro-ph/0602308 [abs, pdf] :: Title: Cosmic Rays X. The cosmic ray knee and beyond: Diffusive acceleration at oblique shocks
Authors: A. Meli, P. L. Biermann
Comments: Accepted in Astronomy and Astrophysics, 9 pages, 8 figures (for the 'Cosmic Rays' series papers)
Note: replaced with revised version Fri, 5 May 2006 16:40:12 GMT (241kb)
astro-ph/0602419 [abs, ps, pdf, other] :: Title: Stellar Explosions by Magnetic Towers
Authors: Dmitri A. Uzdensky, Andrew I. MacFadyen
Comments: 19 pages, 8 figures, accepted to ApJ, updated references and additional discussion added
Note: replaced with revised version Fri, 5 May 2006 00:03:40 GMT (131kb)
astro-ph/0603537 [abs, ps, pdf, other] :: Title: Long gamma-ray bursts and core-collapse supernovae have different environments
Authors: A. S. Fruchter, A. J. Levan, L. Strolger, P. M. Vreeswijk, S. E. Thorsett, D. Bersier, I. Burud, J. M. Castro Cerón, A. J. Castro-Tirado, C. Conselice, T. Dahlen, H. C. Ferguson, J. P. U. Fynbo, P. M. Garnavich, R. A. Gibbons, J. Gorosabel, T. R. Gull, J. Hjorth, S. T. Holland, C. Kouveliotou, Z. Levay, M. Livio, M. R. Metzger, P. E. Nugent, L. Petro, E. Pian, J. E. Rhoads, A. G. Riess, K. C. Sahu, A. Smette, N. R. Tanvir, R. A. M. J. Wijers, S. E. Woosley
Comments: 27 pages, 4 figures, submitted to Nature on 22 August 2005, revised 9 February 2006, online publication 10 May 2006. Supplementary material referred to in the text can be found at this http URL . This new version contains minor changes to match the final published version
Note: replaced with revised version Fri, 5 May 2006 18:22:24 GMT (2019kb)
astro-ph/0604332 [abs, ps, pdf, other] :: Title: Detection of a 63 Degree Cold Stellar Stream in the Sloan Digital Sky Survey
Authors: Carl J. Grillmair, Odysseas Dionatos
Comments: 12 pages, 2 figures, accepted for publication in the Astrophysical Journal Letters. Updated to correspond to version accepted by ApJ
Note: replaced with revised version Thu, 4 May 2006 21:15:28 GMT (592kb)
astro-ph/0604416 [abs, ps, pdf, other] :: Title: CMB Anisotropies at Second Order I
Authors: N. Bartolo (ICTP, Trieste), S. Matarrese (Univ. of Padova), A. Riotto (CERN)
Comments: 26 pages, LaTeX file, typos corrected
Note: replaced with revised version Fri, 5 May 2006 15:31:29 GMT (35kb)
astro-ph/0604470 [abs, ps, pdf, other] :: Title: LP 400-22, A very low-mass and high-velocity white dwarf
Authors: Adela Kawka, Stephane Vennes, Terry D. Oswalt, J. Allyn Smith, Nicole M. Silvestri
Comments: accepted for publication in ApJ Letters, made minor corrections
Note: replaced with revised version Fri, 5 May 2006 08:12:35 GMT (33kb)
astro-ph/0605085 [abs, ps, pdf, other] :: Title: Isolated galaxies: residual of primordial building blocks?
Authors: G. Galletta (1), G. Rodighiero (1), D. Bettoni (2), M. Moles (3), J. Varela (2) ((1) Dipartimento di Astronomia, Universita di Padova, (2) Instituto de Astrofisica de Andalucia, CSIC, (3) INAF-Osservatorio Astronomico di Padova)
Comments: 6 pages, 3 figures. Accepted for publication in A&A. A&A style file added to the source
Note: replaced with revised version Fri, 5 May 2006 13:56:05 GMT (378kb)

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cond-mat/0605139 [abs, ps, pdf, other] :: Title: Transport on Adaptive Random Lattices
Authors: Jelle Ritzerveld, Vincent Icke
Comments: 15 pages, 6 figures, submitted to PRE
Subj-class: Statistical Mechanics; Mesoscopic Systems and Quantum Hall Effect; Computational Physics

In this paper, we present a new method for the solution of those generic transport processes that may be described by a Master Equation. We base our algorithm on a Markov process on a Voronoi-Delaunay grid, a nonperiodic lattice which is derived from a random point process that is chosen to optimally represent certain properties of the medium through which the transport occurs. Our grid is locally translation and rotation invariant in the mean. We illustrate our approach by means of a particular example, in which the expectation value of the length of a grid line corresponds to the local mean free path. In this example, the lattice is a direct representation of the `free path space' of the medium. Subsequently, transport is defined as simply moving particles from one node to the next, interactions taking place at each point. We derive the statistical properties of such lattices, describe the limiting behaviour, and show how interactions are incorporated as global coefficients. Two elementary transport problems are discussed: that of free ballistic transport, and the transport of particles through a scattering medium. We also mention a combination of these two. We discuss the efficiency of our method, showing that it is much faster than most other methods, because the operation count does not scale with the number of sources. We test our method by focusing on the transport of ionizing radiation through a static medium, and show that the computed results for the classical test case of an ionization front expanding in a homogeneous medium agree perfectly with the analytic solution. We finish by illustrating the efficiency and flexibility of our method with the results of a simulation of the reionization of the large scale structure of the Universe.
gr-qc/0306086 [abs, ps, pdf, other] :: Title: SN1987A: Temporal Models
Authors: M.I.Wanas, M.Melek, M.E.Kahil
Comments: 7 pages LaTex file, published in the Proceedings of MG IX, Vol. 2, p.1100, World Scientific Pub.(2002)

It is well known that carriers of astrophysical information are massless spinning particles. These carriers are photons, neutrinos and, expectedly, gravitons. All these particles are emitted during supernova events. Information carried by these particles characterize their sources, but such information are affected by the trajectories of the carriers. Recently, it is shown that these trajectories are spin dependent. Knowing these trajectories and the arrival times of such particles to the detectors, a spin dependent model is constructed and compared with the conventional spin independent model.
hep-ph/0605033 [abs, ps, pdf, other] :: Title: Topical Review on "Beta-beams"
Authors: Cristina Volpe (Institut de Physique Nucleaire Orsay, France)
Comments: Topical Review for Journal of Physics G: Nuclear and Particle Physics

Neutrino physics is traversing an exciting period, after the important discovery that neutrinos are massive particles, that has implications from high-energy physics to cosmology. A new method for the production of intense and pure neutrino beams has been proposed recently: the ``beta-beam''. It exploits boosted radioactive ions decaying through beta-decay. This novel concept has been the starting point for a new possible future facility. Its main goal is to address the crucial issue of the existence of CP violation in the lepton sector. Here we review the status and the recent developments with beta-beams. We discuss the original, the medium and high-energy scenarios as well as mono-chromatic neutrino beams produced through ion electron-capture. The issue of the degeneracies is mentioned. An overview of low energy beta-beams is also presented. These beams can be used to perform experiments of interest for nuclear structure, for the study of fundamental interactions and for nuclear astrophysics.
nucl-th/0604046 [abs, ps, pdf, other] :: Title: Reconstructing supernova-neutrino spectra using low-energy beta-beams
Authors: N. Jachowicz, G. C. McLaughlin
Comments: 4 pages

Only weakly interacting, neutrinos are the principal messengers reaching us from the center of a supernova. Terrestrial neutrino telescopes, such as SNO and SuperKamiokande, can provide precious information about the processes in the core of a collapsing and exploding star. But the information about the supernova that a neutrino detector can supply, is restricted by the fact that little experimental data on the neutrino-nucleus cross sections exists and by the uncertainties in theoretical calculations. In this letter, we propose a novel procedure that determines the response of a target nucleus in a supernova-neutrino detector directly, by using low-energy beta-beams. We show that fitting 'synthetic' spectra, constructed by taking linear combinations of beta-beam spectra, to the original supernova-neutrino spectra reproduces the folded differential cross sections very accurately. Comparing the response in a terrestrial detector to these synthetic responses provides a direct way to determine the main parameters of the supernova-neutrino energy-distribution.

Replacements

astro-ph/0506393 [abs, ps, pdf, other] :: Title: The VIMOS VLT Deep Survey - Evolution of the luminosity functions by galaxy type up to z=1.5 from first epoch data
Authors: E.Zucca, O.Ilbert, S.Bardelli, L.Tresse, G.Zamorani, S.Arnouts, L.Pozzetti, M.Bolzonella, D.Bottini, B.Garilli, V.Le Brun, O.Le Fèvre, D.Maccagni, J.P.Picat, R.Scaramella, M.Scodeggio, G.Vettolani, A.Zanichelli, C.Adami, M.Arnaboldi, A.Cappi, S.Charlot, P.Ciliegi, T.Contini, S.Foucaud, P.Franzetti, I.Gavignaud, L.Guzzo, A.Iovino, H.J.McCracken, B.Marano, C.Marinoni, A.Mazure, B.Meneux, R.Merighi, S.Paltani, R.Pello`, A.Pollo, M.Radovich, M.Bondi, A.Bongiorno, G.Busarello, O.Cucciati, L.Gregorini, F.Lamareille, G.Mathez, Y.Mellier, P.Merluzzi, V.Ripepi, D.Rizzo
Comments: 18 pages with encapsulated figures, revised version after referee's comments, accepted for publication in A&A
Note: replaced with revised version Mon, 8 May 2006 10:26:12 GMT (149kb)
astro-ph/0510668 [abs, ps, pdf, other] :: Title: Are neutron stars crushed? Gravitomagnetic tidal fields as a mechanism for binary-induced collapse
Authors: Marc Favata (Cornell)
Comments: 26 pages, 7 figures, published in Phys. Rev. D. V3: several minor changes made to match published version
Note: replaced with revised version Sat, 6 May 2006 17:34:47 GMT (142kb)
astro-ph/0511240 [abs, ps, pdf, other] :: Title: Modifications to the Cosmic 21-cm Background Frequency Spectrum by Scattering via electrons in Galaxy Clusters
Authors: Asantha Cooray
Comments: 6 pages, 3 figures, PRD in press; expanded and title changed from v1. Final version in press
Note: replaced with revised version Sun, 7 May 2006 22:47:48 GMT (261kb)
astro-ph/0512375 [abs, ps, pdf, other] :: Title: Evolution in the black hole mass-bulge mass relation: a theoretical perspective
Authors: Darren J Croton
Comments: 6 pages, 3 figures, minor revisions, replaced with accepted MNRAS version
Note: replaced with revised version Sat, 6 May 2006 01:03:11 GMT (80kb)
astro-ph/0601335 [abs, pdf] :: Title: Total Solar Irradiance Variability and the Solar Activity Cycle
Authors: Probhas Raychaudhuri
Comments: 10 pages
Note: replaced with revised version Sat, 6 May 2006 03:24:57 GMT (72kb)
astro-ph/0602245 [abs, ps, pdf, other] :: Title: Testing Accretion Disk Theory in Black Hole X-ray Binaries
Authors: Shane W. Davis, Chris Done, Omer M. Blaes
Comments: 15 pages, emulateapj, ApJ, in press
Note: replaced with revised version Sun, 7 May 2006 17:49:33 GMT (872kb)
astro-ph/0602284 [abs, ps, pdf, other] :: Title: Extending the Sensitivity of Air Cerenkov Telescopes
Authors: I. de la Calle Perez (1), S. D. Biller (1) ((1) University of Oxford)
Comments: Refereed Version Accepted for publication in Astroparticle Physics
Note: replaced with revised version Sun, 7 May 2006 19:54:35 GMT (945kb)
astro-ph/0603441 [abs, ps, pdf, other] :: Title: Detection Rate Estimates of Gravity-waves Emitted During Parabolic Encounters of Stellar Black Holes in Globular Clusters
Authors: Bence Kocsis, Merse E. Gaspar, Szabolcs Marka
Comments: 19 pages, 8 figures, version accepted for publication in ApJ; added quantitative estimate of the unresolved parabolic encounter background (Sec 7.4.3)
Note: replaced with revised version Mon, 8 May 2006 12:53:34 GMT (222kb)
astro-ph/0603587 [abs, ps, pdf, other] :: Title: Recovering the Inflationary Potential and Primordial Power Spectrum With a Slow Roll Prior: Methodology and Application to WMAP 3 Year Data
Authors: Hiranya Peiris (KICP/EFI, U. Chicago), Richard Easther (Yale)
Comments: v2 adds references and fixes typos. New explanatory material added clarifying effects that depend on terms that are second order in the slow roll parameters, and the impact of the beam parametrization and SZ prior on the central value of n_s v3: Added refs, minor clarifications, title modified. In press with JCAP
Note: replaced with revised version Mon, 8 May 2006 14:41:54 GMT (369kb)
astro-ph/0604156 [abs, ps, pdf, other] :: Title: The structure and X-ray radiation spectra of illuminated accretion disks in AGN. III. Modeling fractional variability
Authors: R. W. Goosmann (1,2), B. Czerny (2,3), M. Mouchet (2,4), G. Ponti (5,6,7), M. Dovciak (1), V. Karas (1), A. Rozanska (2,3), A. -M. Dumont (2) ((1) Astronomical Institute, Academy of Sciences of the Czech Republic, (2) Observatoire de Paris, France, (3) Copernicus Astronomical Center, Warsaw, Poland, (4) Laboratoire Astroparticules et Cosmologie, Paris, France, (5) Dipartimento di Astronomia, Universita di Bologna, Italy, (6) INAF-IASF Sezione di Bologna, Italy, (7) Institute of Astronomy, Cambridge, United Kingdom)
Comments: 15 pages, 12 figures, published version, Astronomy and Astrophysics, some minor changes were made, namely concerning the motivation of the error calculation in Eq. (6). The abstract is abridged compared to the published version
Note: replaced with revised version Mon, 8 May 2006 14:25:20 GMT (321kb)
astro-ph/0604214 [abs, ps, pdf, other] :: Title: Implications of a Running Spectral Index for Slow Roll Inflation
Authors: Richard Easther (Yale), Hiranya Peiris (KICP/EFI, U. Chicago)
Comments: 4 pages; v2 Refs added, some clarifications in discussion, minor typos fixed
Note: replaced with revised version Mon, 8 May 2006 14:46:19 GMT (253kb)
astro-ph/0605020 [abs, ps, pdf, other] :: Title: Anisotropy of the primary cosmic-ray flux in Super-Kamiokande
Authors: Yuichi Oyama (for Super-Kamiokande collaboration)
Comments: 14 pages, 6 figures. Talk at "Les Rencontres de Physique de la Vallee d'Aosta (La Thuile 2006)", La Thuile, Aosta Valley, Italy, March 5-11, 2006
Note: replaced with revised version Mon, 8 May 2006 01:37:37 GMT (870kb)
gr-qc/0510002 [abs, ps, pdf, other] :: Title: Post-Minkowski action for point particles and a helically symmetric binary solution
Authors: John L. Friedman, Koji Uryu (UWM)
Comments: 33 pages, 7 figures, revised introduction, PRD in press
Note: replaced with revised version Fri, 5 May 2006 23:56:01 GMT (58kb)
hep-ph/0510066 [abs, ps, pdf, other] :: Title: Gauge independent approach to chiral symmetry breaking in a strong magnetic field
Authors: C. N. Leung, S.-Y. Wang
Comments: 37 pages, 5 figures, expanded introduction and references, version to appear in Nucl. Phys. B
Subj-class: High Energy Physics - Phenomenology; Mesoscopic Systems and Quantum Hall Effect
Note: replaced with revised version Mon, 8 May 2006 06:09:52 GMT (52kb)
hep-th/0604186 [abs, ps, pdf, other] :: Title: Brane Inflation After WMAP Three Year Results
Authors: Qing-Guo Huang, Miao Li, Jian-Huang She
Comments: 10 pages, 3 figures; references added
Note: replaced with revised version Mon, 8 May 2006 14:05:42 GMT (95kb)
nlin.CD/0604072 [abs, ps, pdf, other] :: Title: Asymptotic Exponents from Low-Reynolds-Number Flows
Authors: Joerg Schumacher, Katepalli R. Sreenivasan, Victor Yakhot
Comments: 5 pages, 3 Postscript figures
Subj-class: Chaotic Dynamics; Fluid Dynamics
Note: replaced with revised version Mon, 8 May 2006 13:08:05 GMT (32kb)
math-ph/0604038 [abs, ps, pdf, other] :: Title: The classical Bertrand-Darboux problem
Authors: Roman G. Smirnov
Comments: 20 pages, 4 figures (in total 5 files)
Subj-class: Mathematical Physics; Exactly Solvable and Integrable Systems; Differential Geometry; History and Overview
MSC-class: 37J35, 53C05
Note: replaced with revised version Sun, 7 May 2006 16:55:10 GMT (56kb)

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gr-qc/0605044 [abs, ps, pdf, other] :: Title: The eigenmode frequency distribution of rapidly rotating neutron stars
Authors: Stratos Boutloukos, Hans-Peter Nollert
Comments: 10 pages, 6 figures, submitted to Physical Review D

We use perturbation theory and the relativistic Cowling approximation to numerically compute characteristic oscillation modes of rapidly rotating relativistic stars which consist of a perfect fluid obeying a polytropic equation of state. We find the expected infinite pressure mode spectrum extending towards higher frequencies, but also what appears to be an infinite number of inertial modes confined to a finite, well-defined frequency range, depending on the compactness and the rotation frequency of the star. We observe the shift of this range towards negative frequencies for non-axisymmetric modes with respect to the axisymmetric ones, making all m>2 modes unstable. We discuss whether our results indicate the existence of a continuous part of the star's spectrum, or whether they all are discrete solutions.
hep-th/0605085 [abs, ps, pdf, other] :: Title: Cosmic acceleration and crossing of w=-1 barrier from Cubic Superstring Field Theory
Authors: I.Ya. Aref'eva, A.S. Koshelev
Comments: 17 pages, 16 eps figures

We show that the late time rolling of the Cubic Superstring Field Theory (CSSFT) non-local tachyon in the FRW Universe leads to a cosmic acceleration with a periodic crossing of the w=-1 barrier. An asymptotic solution for the tachyon and Hubble parameter by linearizing the non-local equations of motion is constructed explicitly. For a small Hubble parameter the period of oscillations is a number entirely defined by the parameters of the CSSFT action.
math-ph/0605023 [abs, ps, pdf, other] :: Title: Invariant classification of orthogonally separable Hamiltonian systems in Euclidean space
Authors: Joshua T. Horwood, Raymond G. McLenaghan, Roman G. Smirnov
Subj-class: Mathematical Physics; Exactly Solvable and Integrable Systems; Differential Geometry; Analysis of PDEs
Journal-ref: Communication in Mathematical Physics, 259, 679-709 (2005)

The problem of the invariant classification of the orthogonal coordinate webs defined in Euclidean space is solved within the framework of Felix Klein's Erlangen Program. The results are applied to the problem of integrability of the Calogero-Moser model.

Replacements

astro-ph/0507593 [abs, ps, pdf, other] :: Title: Core-Collapse Very Massive Stars: Evolution, Explosion, and Nucleosynthesis of Population III 500 -- 1000 $M_{\odot}$ Stars
Authors: T. Ohkubo, H. Umeda, K. Maeda, K. Nomoto, T. Suzuki, S. Tsuruta, M. J. Rees
Comments: 49 pages, 49 figure files, accepted to ApJ (2006, 645, 2)
Note: replaced with revised version Tue, 9 May 2006 09:43:32 GMT (967kb)
astro-ph/0512078 [abs, ps, pdf, other] :: Title: Far-flung Filaments of Ejecta in the Young Supernova Remnant G292.0+1.8
Authors: P. Frank Winkler, Knox S. Long
Comments: 32 pages including 10 figures, and 3 tables, accepted for publication in AJ. Vol 132, July 2006. Higher resolution versions of the figures and a pdf of the manuscript can be found at this http URL
Note: replaced with revised version Tue, 9 May 2006 13:34:55 GMT (687kb)
astro-ph/0512605 [abs, ps, pdf, other] :: Title: Structured FRW universe leads to acceleration: a non-perturbative approach
Authors: Reza Mansouri
Comments: new material added, such as off-center case and the exact backreaction calculations
Note: replaced with revised version Tue, 9 May 2006 14:39:16 GMT (18kb)
astro-ph/0601057 [abs, ps, pdf, other] :: Title: Dissecting the Circumstellar Environment of Gamma-Ray Burst Progenitors
Authors: Jason X. Prochaska (1), Hsiao-Wen Chen (2), Joshua S. Bloom (3) ((1) UCO/Lick Observatory, (2) U Chicago, (3) UC Berkeley)
Comments: 18 pages, 13 figures. Accepted to ApJ
Note: replaced with revised version Tue, 9 May 2006 19:12:45 GMT (85kb)
astro-ph/0601192 [abs, ps, pdf, other] :: Title: X-ray Emission of Baryonic Gas in the Universe: Luminosity-Temperature Relationship and Soft-Band Background
Authors: Tong-Jie Zhang (1,2), Jiren Liu (3), Long-long Feng (3,5), Ping He (4), Li-Zhi Fang (2) ((1)Department of Astronomy, Beijing Normal University,(2)Department of Physics, University of Arizona,(3)Purple Mountain Observatory, Chinese Academy of Science,(4)Institute of Theoretical Physics, Chinese Academy of Science,(5)National Astronomical Observatories, Chinese Academy of Science)
Comments: 32 pages including 14 figures and 2 tables. Final version for publication in ApJ
Journal-ref: Astrophys.J. 642 (2006) 625-635
Note: replaced with revised version Tue, 9 May 2006 17:59:49 GMT (784kb)
astro-ph/0602053 [abs, ps, pdf, other] :: Title: Evolving Newton's Constant, Extended Gravity Theories and SnIa Data Analysis
Authors: S. Nesseris, L. Perivolaropoulos
Comments: Minor changes. Accepted in Phys. Rev. D. 7 revtex pages, 5 figures. The mathematica file with the numerical analysis of the paper is available at this http URL
Note: replaced with revised version Tue, 9 May 2006 15:12:41 GMT (319kb)
astro-ph/0602452 [abs, ps, pdf, other] :: Title: A study of multiscale density fluctuation measurements
Authors: N.P. Basse
Comments: 11 pages, 3 figures
Subj-class: Astrophysics; Plasma Physics
Note: replaced with revised version Mon, 8 May 2006 21:50:42 GMT (255kb)
astro-ph/0602467 [abs, ps, pdf, other] :: Title: Neutrino mixing as a source of dark energy
Authors: A.Capolupo, S.Capozziello, G.Vitiello
Comments: 5 pages
Note: replaced with revised version Tue, 9 May 2006 09:52:10 GMT (12kb)
astro-ph/0602474 [abs, ps, pdf, other] :: Title: HD molecule and search for early structure-formation signatures in the Universe
Authors: R. Nunez-Lopez (1 and 2), A. Lipovka (2), V. Avila-Reese (1) ((1) IA-UNAM (2) CIFUS-UNISON)
Comments: 8 pages, 5 figures. Minor changes after referee report. MNRAS, in press (figures are better seen in the pdf document)
Note: replaced with revised version Mon, 8 May 2006 23:19:48 GMT (482kb)
astro-ph/0603024 [abs, ps, pdf, other] :: Title: Spectral and Fourier analyses of X-ray QPO in accreting black holes
Authors: M.A. Sobolewska, P.T. Zycki (CAMK, Warsaw)
Comments: MNRAS, accepted, 10 pages. Paper shortened, discussion of Fourier frequency resolved spectra removed. Concentrates on energy spectra of QPO, no changes to results and conclusions in this part
Note: replaced with revised version Tue, 9 May 2006 09:45:08 GMT (71kb)
astro-ph/0603214 [abs, ps, pdf, other] :: Title: On the Orbits and Masses of the Satellites of the Pluto-Charon System
Authors: Man Hoi Lee, S. J. Peale (UCSB)
Comments: 25 pages, including 11 figures; uses AASTeX; minor changes; accepted for publication in Icarus
Note: replaced with revised version Tue, 9 May 2006 01:13:44 GMT (85kb)
astro-ph/0603469 [abs, ps, pdf, other] :: Title: On the role of galactic magnetic halo in the ultra high energy cosmic rays propagation
Authors: Pascal Chardonnet (LAPTH), Alvise Mattei (LAPTH)
Comments: Version accepted from ApJ, 5 figures
Note: replaced with revised version Tue, 9 May 2006 14:09:20 GMT (299kb)
astro-ph/0604047 [abs, ps, pdf, other] :: Title: Hydrogen in Type Ic Supernovae?
Authors: David Branch, David J. Jeffery, Timothy R. Young, E. Baron
Comments: Accepted by PASP. Several significant changes including one additional figure
Note: replaced with revised version Tue, 9 May 2006 15:04:42 GMT (174kb)
astro-ph/0604290 [abs, ps, pdf, other] :: Title: The blue stragglers formed via mass transfer in old open clusters
Authors: B. Tian, L. Deng, Z. Han, X. B. Zhang
Comments: 11 pages, 6 figures, A&A accepted
Note: replaced with revised version Tue, 9 May 2006 02:18:57 GMT (86kb)
astro-ph/0604532 [abs, ps, pdf, other] :: Title: X-ray Spectral Variability of TeV Blazars during Rapid Flares
Authors: Yongquan Xue, Feng Yuan, Wei Cui
Comments: 17 pages, 4 figures, 4 tables, accepted by ApJ; one typo (unit of E_tot) corrected
Note: replaced with revised version Mon, 8 May 2006 21:37:27 GMT (60kb)
astro-ph/0605155 [abs, ps, pdf, other] :: Title: The influence of gas on the structure of merger remnants
Authors: Thorsten Naab, Roland Jesseit, Andreas Burkert
Comments: submitted
Note: replaced with revised version Tue, 9 May 2006 09:23:05 GMT (439kb)
astro-ph/0605159 [abs, ps, pdf, other] :: Title: A rule of thumb for cosmological backreaction
Authors: M. Parry
Comments: 5 pages, references added, comment clarified in Introduction
Note: replaced with revised version Tue, 9 May 2006 15:40:34 GMT (11kb)
astro-ph/0605172 [abs, ps, pdf, other] :: Title: Discovery of an Extended Halo of Metal-poor Stars in the Andromeda Spiral Galaxy
Authors: Puragra Guhathakurta, James C. Ostheimer, Karoline M. Gilbert, R. Michael Rich, Steven R. Majewski, Jasonjot S. Kalirai, David B. Reitzel, Michael C. Cooper, Richard J. Patterson
Comments: Submitted to ApJL on May 5 2006, 3 figures
Note: replaced with revised version Tue, 9 May 2006 02:11:16 GMT (450kb)
hep-ph/0506129 [abs, ps, pdf, other] :: Title: Gravitino dark matter in gauge mediated supersymmetry breaking
Authors: Karsten Jedamzik (LPTA), Martin Lemoine (IAP), Gilbert Moultaka (LPTA)
Comments: 21 pages, 5 figures ; matches published version
Journal-ref: Phys.Rev. D73 (2006) 043514
Note: replaced with revised version Tue, 9 May 2006 14:44:55 GMT (100kb)
hep-ph/0601089 [abs, ps, pdf, other] :: Title: Naturalness Priors and Fits to the Constrained Minimal Supersymmetric Standard Model
Authors: B.C. Allanach
Comments: 15 pages, 5 figures. Ref added
Journal-ref: Phys.Lett. B635 (2006) 123-130
Note: replaced with revised version Tue, 9 May 2006 14:48:14 GMT (307kb)
hep-th/0604150 [abs, ps, pdf, other] :: Title: The Geometry of The Entropic Principle and the Shape of the Universe
Authors: Brett McInnes
Comments: 24 pages, 4 eps figures, improved exposition of Euclidean/Lorentzian smoothing
Note: replaced with revised version Tue, 9 May 2006 01:57:36 GMT (38kb)

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Cross-listings

gr-qc/0603013 [abs, ps, pdf, other] :: Title: Tachyonic Quintessential Inflation
Authors: Victor H. Cardenas
Comments: 5 pages, Revtex4. Added some references. To be published in Physical Review D

We study the possibility to construct an observationally viable scenario where both early Inflation and the recently detected accelerated expansion of the universe can be explained by using a single scalar field associated with the Tachyon. The Reheating phase becomes crucial to enable us to have a consistent cosmology and also to get a second accelerated expansion period. A discussion using an exponential potential is presented.
gr-qc/0605029 [abs, ps, pdf, other] :: Title: On static existence of a star outside a black hole
Authors: Tetsuya Shiromizu, Sumio Yamada, Hirotaka Yoshino
Comments: 4pages, references added
Subj-class: General Relativity and Quantum Cosmology; Differential Geometry

We discuss non-existence of a star composed of perfect fluid outside a black hole in static spacetimes. In particular we show the non-existence under certain conditions for the equation of state and stellar mass.
gr-qc/0605050 [abs, ps, pdf, other] :: Title: Non-chaotic dynamics in general-relativistic and scalar-tensor cosmology
Authors: V. Faraoni, M.N. Jensen, S.A. Theuerkauf (Bishop's University)
Comments: 20 pages, LaTeX, to appear in Class. Quantum Grav

In the context of scalar-tensor models of dark energy and inflation, the dynamics of vacuum scalar-tensor cosmology are analysed without specifying the coupling function or the scalar field potential. A conformal transformation to the Einstein frame is used and the dynamics of general relativity with a minimally coupled scalar field are derived for a generic potential. It is shown that the dynamics are non-chaotic, thus settling an existing debate.
gr-qc/0605052 [abs, ps, pdf, other] :: Title: Graviton Emission and Absorption by Atomic Hydrogen
Authors: Stephen Boughn Tony Rothman
Comments: 18 pages, no figures, submitted to Classical and Quantum Gravity

Graviton absorption cross sections and emission rates for hydrogen are calculated by both semi-classical and field theoretic methods. We point out several mistakes in the literature concerning spontaneous emission of gravitons and related phenomena, some of which are due to a subtle issue concerning gauge invariance of the linearized interaction Hamiltonian.
hep-ph/0604251 [abs, ps, pdf, other] :: Title: Big Bang Nucleosynthesis Constraints on Hadronically and Electromagnetically Decaying Relic Particles
Authors: Karsten Jedamzik (LPTA)
Comments: 24 pages (revtex), 11 figures

Big Bang nucleosynthesis in the presence of decaying relic particles is examined in detail. All non-thermal processes important for the determination of light-element abundance yields of 2H, 3H, 3He, 4He, 6Li, and 7Li are coupled to the thermonuclear fusion reactions to obtain comparatively accurate results. Predicted light-element yields are compared to observationally inferred limits on primordial light-element abundances to infer constraints on the abundances and properties of relic decaying particles with decay times in the interval 0.01 sec < tau < 10^(12) sec. Decaying particles are typically constrained at early times by 4He or 2H, at intermediate times by 6Li, and at large times by the 3He/2H ratio. Constraints are shown for a large number of hadronic branching ratios and decaying particle masses and may be applied to constrain the evolution of the early Universe.
hep-ph/0605035 [abs, ps, pdf, other] :: Title: Gauge invariant MSSM inflaton
Authors: Rouzbeh Allahverdi, Juan Garcia-Bellido, Kari Enqvist, Anupam Mazumdar
Comments: 4 revtex pages

We argue that all the necessary ingredients for a successful inflation are present in the flat directions of the Minimally Supersymmetric Standard Model. We show that out of many gauge invariant combinations of squarks, sleptons and Higgses, there are two directions, ${\bf LLe}$, and ${\bf udd}$, which are promising candidates for the inflaton. The model predicts more than $10^6$ e-foldings with an inflationary scale of $H_{\rm inf}\sim {\cal O}(1-10)$ GeV, provides a tilted spectrum with an amplitude of $\delta_H\sim 10^{-5}$ and a negligible tensor perturbation. The temperature of the thermalized plasma could be as low as $T_{rh}\sim {\cal O}(1-10)$ TeV. Parts of the inflaton potential can be determined independently of cosmology by future particle physics experiments.
hep-ph/0605095 [abs, ps, pdf, other] :: Title: Scalar K pi form factor and light quark masses
Authors: M. Jamin, J.A. Oller, A. Pich
Comments: 4 pages, 1 figure

Recent experimental improvements on K-decay data allow for a precise extraction of the strangeness-changing scalar K pi form factor and the related strange scalar spectral function. On the basis of this scalar as well as the corresponding pseudoscalar spectral function, the strange quark mass is determined to be m_s(2 GeV) = 92 +- 9 MeV. Further taking into account chiral perturbation theory mass ratios, the light up and down quark masses turn out to be m_u(2 GeV) = 2.7 +- 0.4 MeV as well as m_d(2 GeV) = 4.8 +- 0.5 MeV. As a by-product, we also find a value for the Cabibbo angle |V_{us}| = 0.2236(29) and the ratio of meson decay constants F_K/F_\pi = 1.203(16).

Replacements

astro-ph/0410586 [abs, ps, pdf, other] :: Title: Local models of stellar convection III: The Strouhal number
Authors: P. J. Käpylä (Oulu & KIS), M. J. Korpi (Helsinki), M. Ossendrijver (KIS), I. Tuominen (Helsinki)
Comments: 7 pages, 5 figures
Journal-ref: A&A (2006), 448, 433-438
Note: replaced with revised version Wed, 10 May 2006 12:50:02 GMT (42kb)
astro-ph/0503356 [abs, ps, pdf, other] :: Title: Radiation in the process of the formation of voids
Authors: Krzysztof Bolejko
Comments: MN2e LaTeX style file, 10 pages, 6 figures; revised version, accepted for publication in MNRAS
Note: replaced with revised version Wed, 10 May 2006 16:11:42 GMT (78kb)
astro-ph/0507108 [abs, ps, pdf, other] :: Title: Ellipticity of dark matter halos with galaxy-galaxy weak lensing
Authors: Rachel Mandelbaum, Christopher M. Hirata, Tamara Broderick, Uros Seljak, Jonathan Brinkmann
Comments: 20 pages, 8 figures, matches MNRAS accepted version (includes updated discussion of systematics, no changes to conclusions)
Note: replaced with revised version Wed, 10 May 2006 15:19:47 GMT (72kb)
astro-ph/0509375 [abs, ps, pdf, other] :: Title: On the Origin of Stars in Bulges and Elliptical Galaxies
Authors: S. Khochfar, J. Silk
Comments: 10 pages, 11 figures, replaced by version accepted to MNRAS, more details on the model included
Note: replaced with revised version Wed, 10 May 2006 13:43:47 GMT (150kb)
astro-ph/0601320 [abs, ps, pdf, other] :: Title: Effects of the size of cosmological N-Body simulations on physical quantities -- I: Mass Function
Authors: J. S. Bagla, Jayanti Prasad
Comments: 10 pages, 6 figure, MNRAS format. Accepted for publication in the MNRAS
Note: replaced with revised version Wed, 10 May 2006 02:12:11 GMT (52kb)
astro-ph/0602043 [abs, ps, pdf, other] :: Title: The Source of Mass Accreted by the Central Black Hole in Cooling Flow Clusters
Authors: Noam Soker (Technion, Israel)
Comments: New Astronomy, in press
Note: replaced with revised version Wed, 10 May 2006 11:21:19 GMT (24kb)
astro-ph/0602111 [abs, ps, pdf, other] :: Title: Magnetoconvection and dynamo coefficients III: alpha-effect and magnetic pumping in the rapid rotation regime
Authors: P. J. Käpylä (Oulu & KIS), M. J. Korpi (Helsinki), M. Ossendrijver (KIS), M. Stix (KIS)
Comments: 14 pages, 12 figures, accepted for publication in Astronomy & Astrophysics
Note: replaced with revised version Wed, 10 May 2006 13:16:43 GMT (240kb)
astro-ph/0602320 [abs, ps, pdf, other] :: Title: Local dark matter clumps and the cosmic ray positron excess
Authors: Daniel T. Cumberbatch, Joseph Silk
Comments: submitted to MNRAS
Note: replaced with revised version Wed, 10 May 2006 14:01:03 GMT (49kb)
astro-ph/0603237 [abs, ps, pdf, other] :: Title: Impact of dark matter decays and annihilations on reionization
Authors: M. Mapelli (1), A. Ferrara (1), E. Pierpaoli (2), ((1) SISSA, (2) Caltech)
Comments: 6 pages, 5 figures; MNRAS, in press
Note: replaced with revised version Wed, 10 May 2006 10:41:14 GMT (53kb)
astro-ph/0603792 [abs, ps, pdf, other] :: Title: Dwarf galaxies in the Dynamically Evolved NGC 1407 Group
Authors: Neil Trentham (University of Cambridge), R. Brent Tully (University of Hawaii), Andisheh Mahdavi (University of Victoria)
Comments: final version to appear in MNRAS, URL for data included
Note: replaced with revised version Wed, 10 May 2006 11:35:15 GMT (418kb)
astro-ph/0604310 [abs, ps, pdf, other] :: Title: The Lyman-alpha forest and WMAP year three
Authors: Matteo Viel, Martin G. Haehnelt, Antony Lewis
Comments: 5 pages, 4 figs, 2 tables. MNRAS letters in press
Note: replaced with revised version Wed, 10 May 2006 13:21:10 GMT (39kb)
astro-ph/0604346 [abs, ps, pdf, other] :: Title: Alignment tests for low CMB multipoles
Authors: L. Raul Abramo, Armando Bernui, Ivan S. Ferreira, T. Villela, C. Alexandre Wuensche
Comments: References added, updated discussion on alignment with Ecliptic Plane. 12 Pages, 6 Figures. Results for additional maps, the normalized frequencies for the tests and a Mathematica Notebook that computes the tests can be found on this http URL
Note: replaced with revised version Wed, 10 May 2006 19:48:43 GMT (245kb)
astro-ph/0604512 [abs, ps, pdf, other] :: Title: Power Spectrum Analysis of Far-IR Background Fluctuations in 160 Micron Maps From the Multiband Imaging Photometer for Spitzer
Authors: B. Grossan, G. F. Smoot
Comments: This paper supersedes astro-ph/0504167. This is a new reduction of a new pipeline version of the data, with added simulations and corrections, the journal publication copy (submitted to A&A). The superior-quality PDF with integrated figures may be downloaded at this http URL This version corrects table and figure errors
Note: replaced with revised version Tue, 9 May 2006 23:53:47 GMT (973kb)
gr-qc/0603061 [abs, ps, pdf, other] :: Title: Formalism for testing theories of gravity using lensing by compact objects. III: Braneworld gravity
Authors: Charles R. Keeton (Rutgers), A. O. Petters (Duke)
Comments: 13 pages, 3 figures; accepted in PRD; expanded discussion of prospects for observing attolensing with GLAST
Note: replaced with revised version Wed, 10 May 2006 18:53:00 GMT (63kb)
hep-ph/0602061 [abs, ps, pdf, other] :: Title: Moduli-Induced Gravitino Problem
Authors: Motoi Endo, Koichi Hamaguchi, Fuminobu Takahashi
Comments: 5 pages, 1 figure. v2: minor changes, note added
Note: replaced with revised version Wed, 10 May 2006 08:50:14 GMT (457kb)

For subscribe options to combined physics archives,
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E-mail submissions have been discontinued in favor of better support for
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Cross-listings

hep-ph/0605082 [abs, ps, pdf, other] :: Title: Finite Temperature Effects and Axion Cosmology
Authors: Namit Mahajan, Sukanta Panda
Comments: 9 pages, 2 figures

We investigate the impact of finite temperature effects on axions in the context of cosmology. The temperature dependence of the decay constant is modeled analogous to pions. For the two interesting cases considered here, we find that the temperature effects do lead to changes relevant for detailed and precise abundance and rate calculations. We also find that the axion decoupling temperature starts showing large deviations for larger values of the axion decay constant.
hep-ph/0605086 [abs, ps, pdf, other] :: Title: Probing low-x QCD with ultra-high energy cosmic neutrinos at Auger
Authors: Luis A. Anchordoqui, Amanda M. Cooper-Sarkar, Dan Hooper, Subir Sarkar
Comments: 4 pages (RevTex); Details of the NLO neutrino-nucleon cross-section calculation available at: this http URL

The sources of the observed ultra-high energy cosmic rays must also generate ultra-high energy neutrinos. Deep inelastic scattering of these neutrinos with nucleons on Earth probe center-of-mass energies $\sqrt{s} \sim 100$ TeV, well beyond those attainable at terrestrial colliders. By comparing the rates for two classes of observable events, any departure from the benchmark (unscreened perturbative QCD) neutrino-nucleon cross-section can be constrained. Using the projected sensitivity of the Pierre Auger Observatory to quasi-horizontal showers and Earth-skimming tau neutrinos, we show that a `Super-Auger' detector can thus provide an unique probe of strong interaction dynamics.
hep-ph/0605091 [abs, ps, pdf, other] :: Title: Moduli/Inflaton Mixing with Supersymmetry Breaking Field
Authors: Motoi Endo, Koichi Hamaguchi, Fuminobu Takahashi
Comments: 28 pages, no figure

A heavy scalar field such as moduli or an inflaton generally mixes with a field responsible for the supersymmetry breaking. We study the scalar decay into the standard model particles and their superpartners, gravitinos, and the supersymmetry breaking sector, particularly paying attention to decay modes that proceed via the mixing between the scalar and the supersymmetry breaking field. The impacts of the new decay processes on cosmological scenarios are also discussed; the modulus field generically produces too much gravitinos, and most of the inflation models tend to result in too high reheating temperature and/or gravitino overproduction.

Replacements

astro-ph/0509405 [abs, ps, pdf, other] :: Title: The Orientation of Satellite Galaxies: Evidence of Elongation in the Direction of the Host
Authors: Ingolfur Agustsson, Tereasa G. Brainerd
Comments: ApJ Letters, in press; title change, revised text includes preliminarly analysis of 2dFGRS satellites and additional null tests
Note: replaced with revised version Thu, 11 May 2006 14:57:52 GMT (45kb)
astro-ph/0510341 [abs, ps, pdf, other] :: Title: Accessibility of the Pre-Big-Bang Models to LIGO
Authors: Vuk Mandic, Alessandra Buonanno
Comments: 8 pages, 8 figures
Journal-ref: Phys.Rev. D73 (2006) 063008
Note: replaced with revised version Thu, 11 May 2006 18:56:37 GMT (30kb)
astro-ph/0510450 [abs, ps, pdf, other] :: Title: Stellar Rotation in Young Clusters. I. Evolution of Projected Rotational Velocity Distributions
Authors: Wenjin Huang, Douglas R. Gies
Comments: 33 pages, 11 figures, accepted by ApJ
Note: replaced with revised version Thu, 11 May 2006 18:52:54 GMT (227kb)
astro-ph/0601111 [abs, ps, pdf, other] :: Title: Explosive Nucleosynthesis in GRB Jets Accompanied by Hypernovae
Authors: Shigehiro Nagataki, Akira Mizuta, Katsuhiko Sato
Comments: 29 pages with 16 figures. ApJ, accepted
Note: replaced with revised version Thu, 11 May 2006 18:56:11 GMT (623kb)
astro-ph/0601248 [abs, ps, pdf, other] :: Title: On Dark Matter Self-Interactions from Higher Dimensional Gravity
Authors: Nicolas Chatillon, Cosmin Macesanu, Aleksandr Pinzul, Mark Trodden
Comments: 5 pages, revtex 4. References and comments on thermalization in the early universe added
Note: replaced with revised version Thu, 11 May 2006 17:12:30 GMT (9kb)
astro-ph/0601272 [abs, ps, pdf, other] :: Title: The late time evolution of Gamma-Ray Bursts: ending hyperaccretion and producing flares
Authors: Daniel Proga (UNLV), Bing Zhang (UNLV)
Comments: to appear in MNRAS Letters, revised version
Note: replaced with revised version Thu, 11 May 2006 02:40:03 GMT (78kb)
astro-ph/0601422 [abs, ps, pdf, other] :: Title: Upper limits on density of dark matter in Solar system
Authors: I.B. Khriplovich, E.V. Pitjeva
Comments: 4 pages, numerical errors corrected, qualitatively same upper limits
Note: replaced with revised version Thu, 11 May 2006 04:11:21 GMT (4kb)
astro-ph/0603170 [abs, ps, pdf, other] :: Title: The Anisoplanatic Point Spread Function in Adaptive Optics
Authors: Matthew Britton
Comments: 26 pages, 7 figures
Note: replaced with revised version Wed, 10 May 2006 22:03:41 GMT (394kb)
astro-ph/0603369 [abs, ps, pdf, other] :: Title: CMB multipole measurements in the presence of foregrounds
Authors: Angelica de Oliveira-Costa (MIT), Max Tegmark (MIT)
Comments: 3-year WMAP results added, TOH foreground-cleaned 3-year map available at this http URL . 15 PRD pages, 7 figs. More multipoles available electronically from the authors on request
Note: replaced with revised version Wed, 10 May 2006 21:14:36 GMT (310kb)
astro-ph/0603403 [abs, ps, pdf, other] :: Title: Inflationary Potential Reconstruction for a WMAP Running Power Spectrum
Authors: James M. Cline, Loison Hoi
Comments: 21 pages, 16 figures; added references; version appearing in journal
Note: replaced with revised version Thu, 11 May 2006 02:36:24 GMT (103kb)
astro-ph/0604122 [abs, ps, pdf, other] :: Title: Effect of r-mode instability on the evolution of isolated strange stars
Authors: X.P. Zheng, Y.W. Yu, J.R. Li
Comments: 7 pages, 6 figures, accepted for publication in MNRAS (12 May 2006 issue)
Note: replaced with revised version Thu, 11 May 2006 13:08:32 GMT (480kb)
astro-ph/0605148 [abs, ps, pdf, other] :: Title: The Type Ia Supernova Rate at z ~0.5 from the Supernova Legacy Survey
Authors: J. D. Neill, M. Sullivan, D. Balam, C. J. Pritchet, D. A. Howell, K. Perrett, P. Astier, E. Aubourg, S. Basa, R. G. Carlberg, A. Conley, S. Fabbro, D. Fouchez, J. Guy, I. Hook, R. Pain, N. Palanque-Delabrouille, N. Regnault, J. Rich, R. Taillet, G. Aldering, S. Baumont, J. Bronder, R. S. Ellis, M. Filiol, V. Lusset, S. Perlmutter, P. Ripoche
Comments: 71 pages, 12 figures, accepted for publication in AJ, updated refs, author list
Note: replaced with revised version Wed, 10 May 2006 21:45:15 GMT (382kb)
astro-ph/0605207 [abs, ps, pdf, other] :: Title: Detecting Extrasolar Planets with Integral Field Spectroscopy
Authors: A. Berton (MPIA Heidelberg), R. G. Gratton (INAF Padova), M. Feldt (MPIA Heidelberg), T. Henning (MPIA Heidelberg), S. Desidera (INAF Padova), M. Turatto (INAF Padova), H. M. Schmid (ETH Zurich), R. Waters (Univ. Amsterdam)
Comments: 60 pages, 37 figures, accepted in PASP, 4 Tables added
Note: replaced with revised version Thu, 11 May 2006 13:08:27 GMT (1338kb)
astro-ph/0605208 [abs, ps, pdf, other] :: Title: Gamma-Ray Bursts
Authors: P. Meszaros
Comments: To appear in Reports on Progress in Physics, 74 pages, 11 figures, uses iopart.cls macros; updated references
Note: replaced with revised version Wed, 10 May 2006 20:40:55 GMT (347kb)
astro-ph/0605249 [abs, ps, pdf, other] :: Title: The Intrinsic Three Dimensional Shape of the Local Group Dark Matter Halo
Authors: Jounghun Lee, Bomee Lee (Seoul Nat'l Univ.)
Comments: submitted to ApJL, 3 figures, 10 pages, figure size fixed, unit of angles fixed
Note: replaced with revised version Thu, 11 May 2006 07:59:57 GMT (494kb)
gr-qc/0603028 [abs, ps, pdf, other] :: Title: Integration of the Friedmann equation for universes of arbitrary complexity
Authors: Kayll Lake
Comments: Expansion of discussion added reference
Note: replaced with revised version Wed, 10 May 2006 20:51:20 GMT (9kb)
hep-ph/0512197 [abs, ps, pdf, other] :: Title: Long life stau in the minimal supersymmetric standard model
Authors: Toshifumi Jittoh, Joe Sato, Takashi Shimomura, Masato Yamanaka
Comments: 15 pages, 5 figures
Journal-ref: Phys.Rev. D73 (2006) 055009
Note: replaced with revised version Thu, 11 May 2006 10:41:28 GMT (53kb)
math.PR/0502434 [abs, ps, pdf, other] :: Title: High-resolution asymptotics for the angular bispectrum of spherical random fields
Authors: Domenico Marinucci
Comments: Published at this http URL in the Annals of Statistics (this http URL) by the Institute of Mathematical Statistics (this http URL)
Subj-class: Probability; Statistics
MSC-class: 60G60 (Primary) 60F17, 62M15, 85A40 (Secondary)
Journal-ref: Annals of Statistics 2006, Vol. 34, No. 1, 1-41
Note: replaced with revised version Thu, 11 May 2006 13:10:35 GMT (200kb,S)

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