Showing 2005Show all

279 papers · 1 filter

hep-th2005★ 11 cited

New bounce solutions and vacuum tunneling in de Sitter spacetime

Erick J. Weinberg

I describe a class of oscillating bounce solutions to the Euclidean field equations for gravity coupled to a scalar field theory with multiple vacua. I discuss their implications f…

astro-ph2005★ 104 cited

G359.95-0.04: Pulsar Candidate Near Sgr A*

Q. D. Wang, F. J. Lu, E. V. Gotthelf

We report the discovery of a prominent nonthermal X-ray feature located near the Galactic center that we identify as an energetic pulsar wind nebula. This feature, G359.95-0.04, li…

nucl-th2005★ 19 cited

Transition Radiation in QCD matter

Magdalena Djordjevic

In ultrarelativistic heavy ion collisions a finite size QCD medium is created. In this paper we compute radiative energy loss to zeroth order in opacity by taking into account fini…

hep-ph2005★ 50 cited

Radiative Effects on the Chiral Square

Eduardo Ponton, Lin Wang

We consider general field theories in six dimensions, with two of the dimensions compactified on a T_{2}/Z_{4} orbifold. Six-dimensional Weyl fermions propagating on this backgroun…

astro-ph2005★ 10 cited

Chandra X-ray Observations of Galaxies in an Off-Center Region of the Coma Cluster

A. E. Hornschemeier, B. Mobasher, D. M. Alexander +4

We have performed a pilot Chandra survey of an off-center region of the Coma cluster to explore the X-ray properties and Luminosity Function of normal galaxies. We present results…

nlin.SI2005★ 2 cited

Relaxation of nonlinear oscillations in BCS superconductivity

Razvan Teodorescu

The diagonal case of the Richardson-Gaudin quantum pairing model \cite{Richardson1,Richardson2,Richardson3,Richardson4,Richardson5,Richardson6,G audin76} is known to be sol…

nlin.PS2005★ 41 cited

Theory of Nonlinear Dispersive Waves and Selection of the Ground State

A. Soffer, M. I. Weinstein

A theory of time dependent nonlinear dispersive equations of the Schroedinger / Gross-Pitaevskii and Hartree type is developed. The short, intermediate and large time behavior is f…

astro-ph2005★ 40 cited

Neutron-loaded outflows in gamma-ray bursts

Elena M. Rossi, Andrei M. Beloborodov, Martin J. Rees

Relativistic neutron-loaded outflows in gamma-ray bursts are studied at their early stages, before deceleration by a surrounding medium. The outflow has four components: radiation,…

physics.ins-det2005★ 64 cited

The Spectrometer System for Measuring ZEUS Luminosity at HERA

M. Helbich, Y. Ning, S. Paganis +7

The upgrade of the HERA accelerator has provided much increased collider luminosity. In turn, the improvements have necessitated a new design for the ZEUS luminosity measurements.…

nucl-th2005★ 4 cited

Bose-Einstein or HBT correlation signature of a second order QCD phase transition

T. Csorgo, S. Hegyi, T. Novak +1

For particles emerging from a second order QCD phase transition, we show that a recently introduced shape parameter of the Bose-Einstein correlation function, the Levy index of sta…

hep-th2005★ 5 cited

A note on the Coulomb branch of susy Yang-Mills

Daniel Kabat, Gilad Lifschytz

We compute the force between oppositely charged W bosons in the large N limit of Yang-Mills with 16 supercharges broken to SU(N) x U(1) by a finite Higgs vev. We clarify some issue…

hep-ex2005★ 69 cited

First Observations of Separated Atmospheric Muon Neutrino and Muon Anti-Neutrino Events in the MINOS Detector

MINOS Collaboration

The complete 5.4 kton MINOS far detector has been taking data since the beginning of August 2003 at a depth of 2070 meters water-equivalent in the Soudan mine, Minnesota. This pape…

astro-ph2005★ 27 cited

Techniques for measuring atmospheric aerosols at the High Resolution Fly's Eye experiment

The HiRes Collaboration

We describe several techniques developed by the High Resolution Fly's Eye experiment for measuring aerosol vertical optical depth, aerosol horizontal attenuation length, and aeroso…

physics.optics2005★ 126 cited

Enhanced stimulated Raman scattering in slow-light photonic crystal waveguides

J. F. McMillan, X. Yang, N. C. Panoiu +2

We investigate for the first time the enhancement of the stimulated Raman scattering in slow-light Silicon-on-Insulator (SOI) photonic crystal line defect waveguides. By applying t…

nucl-th2005★ 9 cited

What can we learn from hydrodynamic analysis at RHIC?

Tetsufumi Hirano

We can establish a new picture, the perfect fluid sQGP core and the dissipative hadronic corona, of the space-time evolution of produced matter in relativistic heavy ion collisions…

astro-ph2005★ 65 cited

Discovery of the X-ray Counterpart to the Rotating Radio Transient J1819--1458

S. P. Reynolds, K. J. Borkowski, B. M. Gaensler +10

We present the discovery of the first X-ray counterpart to a Rotating RAdio Transient (RRAT) source. RRAT J1819--1458 is a relatively highly magnetized (B G)…

quant-ph2005★ 3 cited

Qubit Complexity of Continuous Problems

A. Papageorgiou, J. F. Traub

The number of qubits used by a quantum algorithm will be a crucial computational resource for the foreseeable future. We show how to obtain the classical query complexity for conti…

astro-ph2005★ 18 cited

The Effect of the Transit of Venus on ACRIM's Total Solar Irradiance Measurements: Implications for Transit Studies of Extrasolar Planets

G. Schneider, J. M. Pasachoff, R. C. Willson

We used the 8 June 2004 transit of Venus (ToV) as a surrogate to test observing methods, strategies and techniques that are being contemplated for future space missions to detect a…

hep-ex2005★ 6 cited

Experimental Ultra--High-Energy Cosmic Ray Physics

Stefan Westerhoff

One of the most striking astrophysical phenomena today is the existence of cosmic ray particles with energies in excess of 10^20 eV. While their presence has been confirmed by a nu…

astro-ph2005★ 29 cited

Discovery of Counter-Rotating Gas in the Galaxies NGC1596 and NGC3203 and the Incidence of Gas Counter-Rotation in S0 Galaxies

M. Bureau, A. Chung

We have identified two new galaxies with gas counter-rotation (NGC1596 and NGC3203) and have confirmed similar behaviour in another one (NGC128), this using results from separate s…

cond-mat.supr-con2005★ 32 cited

Twin spin/charge roton mode and superfluid density: primary determining factors of in high- superconductors observed by neutron, ARPES, and SR

Y. J. Uemura

In the quest for primary factors which determine the transition temperature of high- cuprate superconductors (HTSC), we develop a phenomenological picture combining…

hep-ph2005★ 16 cited

A Modified "Bottom-up" Thermalization in Heavy Ion Collisions

A. H. Mueller, A. I. Shoshi, S. M. H. Wong

In the initial stage of the bottom-up picture of thermalization in heavy ion collisions, the gluon distribution is highly anisotropic which can give rise to plasma instability. Thi…

cond-mat.str-el2005★ 52 cited

Dynamical Mean Field Study of Model Double-Exchange Superlattices

Chungwei Lin, Satoshi Okamoto, Andrew J. Millis

A theoretical study of [001] "double exchange" superlattices is presented. The superlattice is defined in terms of an O perovskite crystal. Itinerant electrons hop among th…

nucl-th2005★ 411 cited

Elastic, Inelastic, and Path Length Fluctuations in Jet Tomography

Simon Wicks, William Horowitz, Magdalena Djordjevic +1

We propose a possible perturbative QCD solution to the heavy quark tomography problem posed by recent non-photonic single electron data from central Au+Au collisions at $\sqrt{s} =…