Catastrophic rearrangement of a compact star due to the quark core formation

Details Catastrophic rearrangement of a compact star due to the quark core formation Catastrophic rearrangement of a compact star due to the quark core formation

2002-10-30

arxiv.org/abs/hep-ph/0210422v1

Phys.Lett. B552 (2003) 1-8

Physics

High Energy Physics

High Energy Physics - Phenomenology

Latex, 14 pages including five postscript figures

Scientific paper

10.1016/S0370-2693(02)03108-8

We study properties of compact stars with the deconfinement phase transition in their interiors. The equation of state of cold baryon-rich matter is constructed by combining a relativistic mean-field model for the hadronic phase and the MIT Bag model for the deconfined phase. In a narrow parameter range two sequences of compact stars (twin stars), which differ by the size of the quark core, have been found. We demonstrate the possibility of a rapid transition between the twin stars with the energy release of about $10^{52}$ ergs. This transition should be accompanied by the prompt neutrino burst and the delayed gamma-ray burst.

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