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We present two-dimensional simulations for the cooling of neutron stars with strong magnetic fields (B > 1e13 Gauss). We study how the cooling curves are influenced by magnetic field decay. We show that the Joule heating effects are very…

Astrophysics · Physics 2008-03-05 Deborah N. Aguilera , José A. Pons , Juan A. Miralles

Cooling of neutron stars with dipole magnetic fields is simulated using a realistic model of the anisotropic surface temperature distribution produced by magnetic fields. Suppression of the electron thermal conductivity of outer stellar…

Astrophysics · Physics 2011-05-23 Yu. A. Shibanov , D. G. Yakovlev

We use the finite-temperature extended Gross-Pitaevskii equation (TeGPE) to study a condensate of dipolar NaCs molecules under the conditions of the very recent, breakthrough experiment [Bigagli et.al., Nature 631, 289 (2024)]. We report…

Quantum Gases · Physics 2025-10-17 Juan Sánchez-Baena , Gerard Pascual , Raúl Bombín , Ferran Mazzanti , Jordi Boronat

We study the mutual influence of thermal and magnetic evolution in a neutron star's crust in axial symmetry. Taking into account realistic microphysical inputs, we find the heat released by Joule effect consistent with the circulation of…

Astrophysics · Physics 2010-11-02 J. A. Pons , J. A. Miralles , U. Geppert

We study the effects of high magnetic fields on the structure and on the geometry of the crust in neutron stars. We find that the crust geometry is substantially modified by the magnetic field inside the star. We build stationary and…

High Energy Astrophysical Phenomena · Physics 2017-12-18 B. Franzon , R. Negreiros , S. Schramm

We study the dynamics of dark-bright solitons in binary mixtures of Bose gases at finite temperature using a system of two coupled dissipative Gross-Pitaevskii equations. We develop a perturbation theory for the two-component system to…

Quantum Gases · Physics 2015-05-30 V. Achilleos , D. Yan , P. G. Kevrekidis , D. J. Frantzeskakis

We study theoretically the collective dynamics of rotational excitations of polar molecules loaded into an optical lattice in two dimensions. These excitations behave as hard-core bosons with a relativistic energy dispersion arising from…

Quantum Gases · Physics 2014-08-29 M. P. Kwasigroch , N. R. Cooper

We determine the leading shift of the Bose-Einstein condensation temperature for an ultracold dilute atomic gas in a harmonic trap due to weak disorder by treating both a Gaussian and a Lorentzian spatial correlation for the quenched…

Disordered Systems and Neural Networks · Physics 2009-11-11 Matthias Timmer , Axel Pelster , Robert Graham

We have analytically explored both the zero temperature and the finite temperature scaling theory for the collapse of an attractively interacting 3-D harmonically trapped Bose gas in a synthetic magnetic field. We have considered…

Statistical Mechanics · Physics 2025-04-18 Bikram Keshari Behera , Shyamal Biswas

In the present work we study the gravitational effects of condensed dark matter on strange stars. We consider self-interacting dark matter particles with properties consistent with current observational constraints, and dark matter inside…

General Relativity and Quantum Cosmology · Physics 2017-08-02 Grigoris Panotopoulos , Ilidio Lopes

In this paper we discuss the presence of temperature-dependent squeezing in the collective excitations of trapped Bose-Einstein condensates, based on a recent theory of quasiparticle damping. A new scheme to measure temperature below the…

Soft Condensed Matter · Physics 2007-05-23 J. Rogel-Salazar , S. Choi , G. H. C. New , K. Burnett

This paper reports a study on the formation and physical characteristics of compacts stars in AdS spacetime within the framework of Bose-Einstein Condensate. Considering a Bose-Einstein condensate background at zero temperature this study…

General Relativity and Quantum Cosmology · Physics 2026-05-20 Samprity Das , Aroonkumar Beesham , Surajit Chattopadhyay

We investigate the contributions of finite-temperature magnetic fluctuations to the thermodynamic properties of bcc Fe as a function of pressure. First, we apply a tight-binding total-energy model parameterized to first-principles…

Materials Science · Physics 2010-07-21 Xianwei Sha* , R. E. Cohen

We discuss the dynamics of a Bose-Einstein condensate during its nondestructive imaging. A generalized Lindblad superoperator in the condensate master equation is used to include the effect of the measurement. A continuous imaging with a…

Condensed Matter · Physics 2009-11-07 Diego A. R. Dalvit , Jacek Dziarmaga , Roberto Onofrio

The effects of magnetic fields on accretion disks around compact objects are of high importance in the study of their general properties and dynamics. Here we analyze the influence of magnetic fields on thick accretion disks around rotating…

General Relativity and Quantum Cosmology · Physics 2023-06-07 Kristian Gjorgjieski , Jutta Kunz , Matheus C. Teodoro , Lucas G. Collodel , Petya Nedkova

We investigate antikaon condensation in compact star matter using a relativistic mean field model. Antikaon condensates make the equation of state softer resulting in a smaller maximum mass star compared to the case without condensate. It…

Astrophysics · Physics 2008-11-26 Sarmistha Banik , Debades Bandyopadhyay

We investigate the effects of finite temperature on ultracold Bose atoms confined in an optical lattice plus a parabolic potential in the Mott insulator state. In particular, we analyze the temperature dependence of the density distribution…

Other Condensed Matter · Physics 2009-11-10 Guido Pupillo , Carl J. Williams , Nikolay V. Prokof'ev

The dynamics of vortex lattices in stirred Bose-Einstein condensates have been studied at finite temperatures. The decay of the vortex lattice was observed non-destructively by monitoring the centrifugal distortions of the rotating…

Soft Condensed Matter · Physics 2009-11-07 J. R. Abo-Shaeer , C. Raman , W. Ketterle

A simple picture describes the results of recent treatments of partially-condensed, dilute, trapped Bose gases at temperature T > 0. The condensate wavefunction is nearly identical to that of a T=0 condensate with the same number of…

Statistical Mechanics · Physics 2007-05-23 R. J. Dodd , K. Burnett , Mark Edwards , Charles W. Clark

The dynamics of evaporative cooling of magnetically trapped $^{87}$Rb atoms is studied on the basis of the quantum kinetic theory of a Bose gas. We carried out the quantitative calculations of the time evolution of conventional evaporative…

Statistical Mechanics · Physics 2009-11-10 Makoto Yamashita , Tetsuya Mukai
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