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Spin polarization of neutron matter at finite temperatures and strong magnetic fields up to $10^{18}$ G is studied in the model with the Skyrme effective interaction. It is shown that, together with the thermodynamically stable branch of…

Nuclear Theory · Physics 2010-10-15 A. A. Isayev , J. Yang

Spin polarized states in neutron matter at a strong magnetic field are considered in the model with the Skyrme effective interaction (SLy4, SLy7 parametrizations). Analyzing the self-consistent equations at zero temperature, it is shown…

Nuclear Theory · Physics 2009-12-28 A. A. Isayev , J. Yang

We have studied the spin polarized hot neutron matter in the presence of strong magnetic field. In this work, using the lowest order constrained variational method at finite temperature and employing $AV_{18}$ nuclear potential, some…

Nuclear Theory · Physics 2012-12-11 G. H. Bordbar , Z. Rezaei

The equation of state of neutron matter is affected by the presence of a magnetic field due to the intrinsic magnetic moment of the neutron. Here we study the equilibrium configuration of this system for a wide range of densities,…

Nuclear Theory · Physics 2014-10-15 R. Aguirre , E. Bauer , I. Vidaña

Spin polarized states in neutron matter at strong magnetic fields up to $10^{18}$ G are considered in the model with the Skyrme effective interaction. Analyzing the self-consistent equations at zero temperature, it is shown that a…

Nuclear Theory · Physics 2011-04-07 A. A. Isayev , J. Yang

A set of microscopic, covariant density-functional, and non-relativistic Skyrme-type equations of state is employed to study the structure of purely nucleonic neutron stars at finite temperature. After examining the agreement with presently…

Nuclear Theory · Physics 2022-01-05 Jin-Biao Wei , G. F. Burgio , Ad. R. Raduta , H. -J. Schulze

Available Skyrme parametrizations with hyperons are examined from the point of view of their suitability for applications to neutron stars. It is shown that the hyperons can attenuate or even remove the problem of ferromagnetic instability…

Nuclear Theory · Physics 2009-11-10 L. Mornas

The possibility of appearance of spin polarized states in symmetric and strongly asymmetric nuclear matter is analyzed within the framework of a Fermi liquid theory with the Skyrme effective interaction. The zero temperature dependence of…

Nuclear Theory · Physics 2007-07-14 A. A. Isayev , J. Yang

Spin polarized states in dense neutron matter with recently developed Skyrme effective interaction (BSk20 parametrization) are considered in the magnetic fields $H$ up to $10^{20}$ G at finite temperature. In a strong magnetic field, the…

Nuclear Theory · Physics 2015-02-02 A. A. Isayev , J. Yang

Numerical simulations of core-collapse supernovae, mergers of binary neutron stars and formation of stellar black holes, which employed standard Skyrme interactions, established clear correlations between the evolution of these processes,…

Nuclear Theory · Physics 2026-01-16 Adriana R. Raduta , Mikhail V. Beznogov

We investigate the effects of strong magnetic fields on the equation of state of warm stellar matter as it may occur in a protoneutron star. Both neutrino free and neutrino trapped matter at a fixed entropy per baryon are analyzed. A…

Nuclear Theory · Physics 2015-05-28 A. Rabhi , P. K. Panda , C. Providência

The properties of spin polarized neutron matter are studied both at zero and finite temperature using Skyrme-type interactions. It is shown that the critical density at which ferromagnetism takes place decreases with temperature. This…

Nuclear Theory · Physics 2009-11-11 Arnau Rios , Artur Polls , Isaac Vidaña

The properties of matter are significantly modified by strong magnetic fields, $B>>2.35\times 10^9$ Gauss ($1 G =10^{-4} Tesla$), as are typically found on the surfaces of neutron stars. In such strong magnetic fields, the Coulomb force on…

Astrophysics · Physics 2008-11-26 Dong Lai

Dense neutron matter with recently developed BSk19 and BSk21 Skyrme effective forces is considered in magnetic fields up to $10^{20}$ G at zero temperature. The breaking of the rotational symmetry by the magnetic field leads to the…

Nuclear Theory · Physics 2015-02-03 A. A. Isayev , J. Yang

We investigate the effects of strong magnetic fields on the equation of state of dense stellar neutrino-free and neutrino-trapped matter. Relativistic nuclear models both with constant couplings (NLW) and with density dependent parameters…

Nuclear Theory · Physics 2010-04-22 A. Rabhi , C. Providencia

A consistent Hartree-Fock study of the equation of state (EOS) of asymmetric nuclear matter at finite temperature has been performed using realistic choices of the effective, density dependent nucleon-nucleon (NN) interaction, which were…

Nuclear Theory · Physics 2016-03-30 Ngo Hai Tan , Doan Thi Loan , Dao T. Khoa , Jerome Margueron

Some thermodynamical magnitudes of interest in a pure neutron plasma are studied within the framework of the non-relativistic Brueckner-Hartree-Fock approximation at finite density and temperature. We use Skyrme and Gogny forces to describe…

Nuclear Theory · Physics 2008-11-26 M. Angeles Perez-Garcia

The proton and neutron properties in a uniform magnetic field are investigated. The Gell-Mann-Nishijima formula is shown to be satisfied for baryon states. It is found that with increasing magnetic field strength, the proton mass first…

High Energy Physics - Phenomenology · Physics 2017-03-08 Bing-Ran He

The effects of a strong magnetic field in the dynamical response of a pure neutron system to a weak neutrino probe are studied within the framework of the Landau Fermi Liquid Theory in the non-relativistic Hartree-Fock approximation. We use…

Nuclear Theory · Physics 2010-04-22 M. Angeles Perez-Garcia

We explore the thermal properties of hot and dense matter using a model that reproduces the empirical properties of isospin symmetric and asymmetric bulk nuclear matter, optical model fits to nucleon-nucleus scattering data, heavy-ion flow…

Solar and Stellar Astrophysics · Physics 2015-08-26 Constantinos Constantinou , Brian Muccioli , Madappa Prakash , James M. Lattimer
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