Title: Excluded-volume model for quarkyonic matter: Three-flavor baryon-quark mixture

Journal Article · · Physical Review C

The single-flavor excluded-volume model based on the effective size of baryons reproduces the hard-soft density evolution of the equation of state (EoS) required by the recent studies of GW170817. This phenomenological model basically realizes the concept of quarkyonic matter which is introduced from large-$$N_c$$ gauge theory for dense matter. Further, enhanced nucleon interactions and dynamically generated quark degrees of freedom can reproduce the hard-soft evolution of the EoS. In this paper, we extend the excluded-volume model to a three-flavor system by considering electromagnetic charge and possible weak equilibrium in order to obtain a proper description for the hard-soft behavior of the EoS inferred from the gravitational waves observations.

Research Organization:
Univ. of Washington, Seattle, WA (United States)
Sponsoring Organization:
Simons Foundation; USDOE Office of Science (SC)
Grant/Contract Number:
FG02-00ER41132
OSTI ID:
1799978
Journal Information:
Physical Review C, Journal Name: Physical Review C Journal Issue: 2 Vol. 102; ISSN 2469-9985
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English

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