Diquark Condensates and Compact Star Cooling

Details Diquark Condensates and Compact Star Cooling Diquark Condensates and Compact Star Cooling

1999-08-30

arxiv.org/abs/astro-ph/9908334v4

Astrophys.J.533:406-412,2000

Astronomy and Astrophysics

Astrophysics

10 pages, 5 figures, accepted for publication in ApJ

Scientific paper

10.1086/308664

The effect of color superconductivity on the cooling of quark stars and neutron stars with large quark cores is investigated. Various known and new quark-neutrino processes are studied. As a result, stars being in the color flavor locked (CFL) color superconducting phase cool down extremely fast. Quark stars with no crust cool down too rapidly in disagreement with X-ray data. The cooling of stars being in the N_f =2 color superconducting (2SC) phase with a crust is compatible with existing X-ray data. Also the cooling history of stars with hypothetic pion condensate nuclei and a crust does not contradict the data.

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