Neutron star cooling constraints for color superconductivity in hybrid stars

Details Neutron star cooling constraints for color superconductivity in hybrid stars Neutron star cooling constraints for color superconductivity in hybrid stars

2005-12-27

arxiv.org/abs/nucl-th/0512098v1

Phys.Rev. C74 (2006) 025803

Physics

Nuclear Physics

Nuclear Theory

10 pages, 9 figures, 1 table

Scientific paper

10.1103/PhysRevC.74.025803

We apply the recently developed Log N - Log S test of compact star cooling theories for the first time to hybrid stars with a color superconducting quark matter core. While there is not yet a microscopically founded superconducting quark matter phase which would fulfill constraints from cooling phenomenology, we explore the hypothetical 2SC+X phase and show that the magnitude and density-dependence of the X-gap can be chosen to satisfy a set of tests: temperature - age (T - t), the brightness constraint, Log N - Log S, and the mass spectrum constraint. The latter test appears as a new conjecture from the present investigation.

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