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Strangeness in Neutron Star Cooling
Yeunhwan Lim, Chang Ho Hyun, Chang-Hwan Lee
We study the thermal evolution of neutron stars in the presence of hyperons or kaons in the core. Our results indicate that the nucleon and hyperon direct Urca processes play cruci…
Parity-violating coupling constant from the flavor-conserving effective weak chiral Lagrangian
Chang Ho Hyun, Hyun-Chul Kim, Hee-Jung Lee
We investigate the parity-violating pion-nucleon-nucleon coupling constant , based on the chiral quark-soliton model. We employ an effective weak Hamiltonian that takes…
Density dependence of the nuclear energy-density functional
Panagiota Papakonstantinou, Tae-Sun Park, Yeunhwan Lim +1
The explicit density (rho) dependence in the coupling coefficients of the non-relativistic nuclear energy-density functional (EDF) encodes effects of three-nucleon forces and dynam…