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Scalar dark matter and cold stars

Name: Scalar dark matter and cold stars
Creator: J.A. Grifols
Keywords: Astrophysics (astro-ph), 0103 physical sciences, FOS: Physical sciences, Astrophysics, 7. Clean energy, 01 natural sciences

descriptionPublicationkeyboard_double_arrow_right Article , Preprint 01 Mar 2006Embargo end date: 01 Jan 2005 English Publisher:Elsevier BVJournal:Astroparticle Physics, volume 25, pages 98-105 (issn: 0927-6505,

Authors: J.A. Grifols;

doi: 10.1016/j.astropartphys.2005.12.004 , 10.48550/arxiv.astro-ph/0505602

arXiv: http://arxiv.org/abs/astro-ph/0505602

Scalar dark matter and cold stars

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Abstract

In a medium composed of scalar particles with non-zero mass, the range of Van-der-Waals-type scalar mediated interactions among nucleons becomes infinite when the medium makes a transition to a Bose-Einstein condensed phase. We explore this phenomenon in an astrophysical context. Namely, we study the effect of a scalar dark matter background on the equilibrium of degenerate stars.In particular we focus on white dwarfs and the changes induced in their masses and in their radii.

revised version to match published paper

Related Organizations

Autonomous University of Barcelona
Spain

Keywords

Astrophysics (astro-ph), FOS: Physical sciences, Astrophysics

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