Color Superconductivity in Compact Stars and Gamma Ray Bursts

Details Color Superconductivity in Compact Stars and Gamma Ray Bursts Color Superconductivity in Compact Stars and Gamma Ray Bursts

2003-04-08

arxiv.org/abs/nucl-th/0304026v1

Physics

Nuclear Physics

Nuclear Theory

15 pages, 4 figures, 1 table

Scientific paper

10.1063/1.1810878

We study the effects of color superconductivity on the structure and formation of compact stars. We show that it is possible to satisfy most of recent observational boundaries on masses and radii if a diquark condensate forms in a hybrid or a quark star. Moreover, we find that a huge amount of energy, of the order of $10^{53}$ erg, can be released in the conversion from a (metastable) hadronic star into a (stable) hybrid or quark star, if the presence of a color superconducting phase is taken into account. Accordingly to the scenario proposed in Astrophys.J.586(2003)1250, the energy released in this conversion can power a Gamma Ray Burst. This mechanism can explain the recent observations indicating a delay, of the order of days or years, between a few Supernova explosions and the subsequent Gamma Ray Burst.

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