2 papers
astro-ph.HE2022
Compact Star Twins with a Dark Matter Core
David Alvarez-Castillo, Michał Marczenko
We present a model of compact stars with a dark matter core. The hadronic equation of state is based on the parity doublet model and does not present a phase transition to quark ma…
nucl-th2022
Reconciling Multi-messenger Constraints with Chiral Symmetry Restoration
Michał Marczenko, Krzysztof Redlich, Chihiro Sasaki
We consider the parity doublet model for nucleonic and delta matter to investigate the structure of neutron stars. We show that it is possible to reconcile the multi-messenger astr…