6 papers · 1 filter
Implication of neutron star observations to the origin of nucleon mass
Bikai Gao, Xiang Liu, Masayasu Harada +1
We investigate the implications of neutron star observations for understanding the origin of nucleon mass using a framework that combines three complementary approaches: the equati…
Chiral Invariant Mass Constraints from HESS J1731 347 in an Extended Parity Doublet Model with Isovector Scalar Meson
Yuk-Kei Kong, Bikai Gao, Masayasu Harada
The recent discovery of a central compact object (CCO) within the supernova remnant HESS J1731-347, with mass and radius km…
Quarkyonic matter with chiral symmetry restoration
Bikai Gao, Masayasu Harada
We present a novel unified approach to describe the dense symmetric nuclear matter by combining the quarkyonic matter framework with the parity doublet model. This integration allo…
Exploring the first-order phase transition in neutron stars using the parity doublet model and NJL-type quark model
Bikai Gao, Wen-Li Yuan, Masayasu Harada +1
We investigate the possibility and impacts of a first-order phase transition from hadronic matter to quark matter in neutron stars (NSs) using two specific models: the parity doubl…
Nuclear matter and finite nuclei: recent studies based on Parity Doublet Model
Yuk-Kei Kong, Youngman Kim, Masayasu Harada
In this review, we summarize recent studies on nuclear matter and finite nuclei based on parity doublet models. We first construct a parity doublet model (PDM), which includes the…
Reconciling the HESS J1731-347 constraints with Parity doublet model
Bikai Gao, Yan Yan, Masayasu Harada
The recent discovery of a central compact object (CCO) within the supernova remnant HESS J1731-347, characterized by a mass of approximately and a…