Hot hadron-quark mixed phase including hyperons

Details Hot hadron-quark mixed phase including hyperons Hot hadron-quark mixed phase including hyperons

2009-10-07

arxiv.org/abs/0910.1144v2

Phys.Rev.D80:123009,2009

Physics

Nuclear Physics

Nuclear Theory

8 pages, 13 figures. accepted to Phys. Rev. D

Scientific paper

10.1103/PhysRevD.80.123009

We study the hadron-quark phase transition with the finite size effects at finite temperature. For the hadron phase, we adopt a realistic equation of state in the framework of the Brueckner-Hartree-Fock theory including hyperons. The properties of the mixed phase are clarified by considering the finite size effects under the Gibbs conditions. We find that the equation of state becomes softer than that at zero-temperature for some density region. We also find that the equation of state gets closer to that given by the Maxwell construction. Moreover, the number of hyperons is suppressed by the presence of quarks. These are characteristic features of the hadron-quark mixed phase, and should be important for many astrophysical phenomena such as mergers of binary neutron stars.

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