Hyperon-Quark Mixed Phase in Dense Matter
Toshiki Maruyama, Satoshi Chiba, Hans-Josef Schulze, Toshitaka Tatsumi
TL;DR
This paper studies the hadron-quark mixed phase in dense stars, revealing that while the equation of state resembles Maxwell construction, the composition differs significantly with hyperons suppressed.
Contribution
It introduces a combined Brueckner-Hartree-Fock and MIT bag model approach to analyze the mixed phase in compact stars, highlighting differences in composition from traditional models.
Findings
Equation of state similar to Maxwell construction
Hyperons are completely suppressed in the mixed phase
Distinct composition compared to Maxwell construction
Abstract
We investigate the properties of the hadron-quark mixed phase in compact stars using a Brueckner-Hartree-Fock framework for hadronic matter and the MIT bag model for quark matter. We find that the equation of state of the mixed phase is similar to that given by the Maxwell construction. The composition of the mixed phase, however, is very different from that of the Maxwell construction; in particular, hyperons are completely suppressed.
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