Proto-Neutron and Neutron Stars
V. Dexheimer, S. Schramm, H. Stoecker
TL;DR
This paper applies the parity doublet model to neutron stars, analyzing how finite temperature, neutrino trapping, and rotation influence their maximum mass during different cooling stages.
Contribution
It introduces the parity doublet model for neutron star analysis, incorporating temperature, neutrino effects, and rotation to study maximum mass variations.
Findings
Maximum mass varies with cooling stages and physical effects.
Rotation increases the maximum mass.
Finite temperature and neutrino trapping significantly impact star stability.
Abstract
The parity doublet model, containing the SU(2) multiplets including the baryons identified as the chiral partners of the nucleons is applied to neutron stars. The maximum mass for the star is calculated for different stages of the cooling taking into account finite temperature/entropy effect, trapped neutrinos and fixed baryon number. Rotation effects are also included.
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Taxonomy
TopicsPulsars and Gravitational Waves Research · High-pressure geophysics and materials · Atomic and Subatomic Physics Research