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30 September 2023
  » arxiv » nucl-th/0211046

 Article overview

Compact stars with color superconducting quark matter
Mark Alford ; Sanjay Reddy ;
Date 14 Nov 2002
Journal Phys.Rev. D67 (2003) 074024
Subject nucl-th astro-ph
AffiliationGlasgow) and Sanjay Reddy (LANL
AbstractWe study compact stars that contain quark matter. We look at the effect of color superconductivity in the quark matter on the nuclear-quark matter transition density, mass-radius relationship, and the density discontinuity at the boundary between nuclear and quark matter. We find that color superconducting quark matter will occur in compact stars at values of the bag constant where ordinary quark matter would not be allowed. We are able to construct ``hybrid’’ stars with a color superconducting quark matter interior and nuclear matter surface, with masses in the range 1.3-1.6 M_solar and radii 8-11 km. Our results are consistent with recent mass-radius limits based on absorption lines from EXO0748-676.
Source arXiv, nucl-th/0211046
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