How neutron stars constrain the nuclear equation of state
Hell Thomas, Bernhard Roettgers, Wolfram Weise
TL;DR
This paper uses recent neutron star observations and theoretical models to constrain the nuclear equation of state, exploring both nuclear matter and potential quark matter in neutron star cores.
Contribution
It combines chiral effective field theory and a three-flavor Nambu--Jona-Lasinio model to analyze neutron star interiors and their implications for the nuclear equation of state.
Findings
Constraints on the nuclear equation of state from neutron star data
Discussion of hybrid stars with quark matter in the core
Implications for the composition of neutron star interiors
Abstract
Recent neutron star observations set new constraints for the equation of state of baryonic matter. A chiral effective field theory approach is used for the description of neutron-dominated nuclear matter present in the outer core of neutron stars. Possible hybrid stars with quark matter in the inner core are discussed using a three-flavor Nambu--Jona-Lasinio model.
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Taxonomy
TopicsPulsars and Gravitational Waves Research · Quantum, superfluid, helium dynamics · Atomic and Subatomic Physics Research