期刊
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
卷 525, 期 4, 页码 5512-5519出版社
OXFORD UNIV PRESS
DOI: 10.1093/mnras/stad2509
关键词
stars: interiors; stars: neutron
This study constructs models describing hybrid neutron stars consisting of nucleons and exotic baryons using a density-dependent quark model and a relativistic model. The study determines the quark-hadron phase transition in stellar matter through the structure and properties of the hybrid neutron star matter.
Using a density-dependent quark model and a relativistic model within the mean-field approximation for hadrons with density dependent meson-baryon couplings, we construct, for the first time, models that describe hybrid neutron stars consisting of nucleons and exotic baryons (hyperons and Delta-resonances). We do the study using a Maxwell construction. The quark-hadron phase transition in the stellar matter is determined through the structure, composition, and properties of the hybrid neutron star matter. The macroscopic properties of the star are determined, and the results for these particular models are found to be compatible with recent observational astrophysical data.
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