Heavy baryons in compact stars

A Sedrakian, JJ Li, F Weber - Progress in Particle and Nuclear Physics, 2023 - Elsevier
We review the physics of hyperons and Δ-resonances in dense matter in compact stars. The
covariant density functional approach to the equation of state and composition of dense …

Effects of the equation of state on the bulk properties of maximally rotating neutron stars

PS Koliogiannis, CC Moustakidis - Physical Review C, 2020 - APS
Neutron stars are among the densest known objects in the universe and an ideal laboratory
for the strange physics of supercondensed matter. While the simultaneous measurements of …

Rotating hybrid stars with the Dyson-Schwinger quark model

JB Wei, H Chen, GF Burgio, HJ Schulze - Physical Review D, 2017 - APS
We study rapidly rotating hybrid stars with the Dyson-Schwinger model for quark matter and
the Brueckner-Hartree-Fock many-body theory with realistic two-body and three-body forces …

Neutrino emissivity of the nucleon direct URCA process for rotational traditional and hyperonic neutron stars

NB Zhang, SY Wang, B Qi, JH Gao, BY Sun - Chinese Physics C, 2017 - iopscience.iop.org
Based on covariant density functional theory, we study the effects of rotation on the nucleon
direct URCA (N-DURCA) process for traditional and hyperonic neutron stars. The calculated …

The attribute of rotational profile to the hyperon puzzle in the prediction of heaviest compact star

M Bhuyan, BV Carlson, SK Patra… - International Journal of …, 2017 - World Scientific
In this theoretical study, we report an investigation of the equations of state (EoSs) of hyper-
nuclear matter and its composition as a function of density within the framework of effective …

Moments of inertia of neutron stars in relativistic mean field theory: The role of the isovector scalar channel

Z Qian, RY **n, BY Sun - Science China Physics, Mechanics & Astronomy, 2018 - Springer
With the inclusion of the isovector scalar channel in the meson-nucleon couplings, taking
DD-ME δ as an effective interaction, the moments of inertia of neutron stars possessing …

Effects of a weakly interacting light U boson on protoneutron stars including the hyperon-hyperon interactions

Z Yu, Y Xu, GQ Zhang, TP Hu - Communications in Theoretical …, 2018 - iopscience.iop.org
In the framework of the relativistic mean field theory including the hyperon-hyperon (YY)
interactions, protoneutron stars with a weakly interacting light U boson are studied. The U …

Hyperon Effects on the Spin Parameter of Rotating Neutron Stars

B Qi, NB Zhang, SY Wang, BY Sun - Chinese Physics Letters, 2015 - iopscience.iop.org
Based on the equations of state from the relativistic mean field theory without and with the
inclusion of strangeness-bearing hyperons, we study the dimensionless spin parameter j …

Equation of state of nuclear matter with applications to rapid rotating neutron stars

C Moustakidis, P Koliogiannis-Koutmiridis, A Petkou… - 2023 - repository-empedu-rd.ekt.gr
Neutron stars manifest one of the Universe's densest objects, where matter is compressed at
high densities, and nuclear physics combines with general relativity. The dense nuclear …

Theoretical and observational constraints on the mass-radius relations of neutron stars

K Boshkayev, JA Rueda, M Muccino - arxiv preprint arxiv:1606.07804, 2016 - arxiv.org
We investigate theoretical and observational constraints on the mass-radius relations for
neutron stars. For that purpose we consider the model of neutron stars taking into …