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Related papers: Dense nuclear matter in a strong magnetic field

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In the mean field approximation of the relativistic $\sigma$-$\omega$-$\rho$ model, the magnetic fields are incorporated, and its influence on the properties of n-p-e neutron star matter are studied. When the strength of the magnetic field…

Astrophysics · Physics 2008-11-26 W. Chen , P. Q. Zhang , L. G. Liu

We investigate the effects of very strong magnetic fields upon the equation of state of dense bayonic matter in which hyperons are present. In the presence of a magnetic field, the equation of state above nuclear density is significantly…

Astrophysics · Physics 2009-11-07 A. E. Broderick , M. Prakash , J. M. Lattimer

We provide an equation of state for hot nuclear matter in $\beta$-equilibrium by applying a momentum-dependent effective interaction. We focus on the study of the equation of state of high-density and high-temperature nuclear matter,…

Nuclear Theory · Physics 2009-12-31 Ch. C. Moustakidis , C. P. Panos

We present a comprehensive and pedagogic discussion of the properties of photons in cold and dense nuclear matter based on the resummed one-loop photon self energy. Correlations between electrons, muons, protons and neutrons in beta…

High Energy Astrophysical Phenomena · Physics 2018-04-18 Stephan Stetina , Ermal Rrapaj , Sanjay Reddy

We study consistently the effects of magnetic field on hot and dense matter. In particular, we look for differences that arise due to assumptions that reproduce the conditions produced in particle collisions or astrophysical scenarios, such…

Nuclear Theory · Physics 2023-09-28 J. Peterson , P. Costa , R. Kumar , V. Dexheimer , R. Negreiros , C. Providencia

Ferromagnetism in infinite neutron matter as well as beta equilibrated, charge neutral, dense, and infinite nuclear matter is investigated using a model of interacting baryons and mesons. The standard minimal couplings between the magnetic…

Nuclear Theory · Physics 2020-06-12 J. P. W. Diener , F. G. Scholtz

In the present work, we consider nuclear matter in the innermost crust of neutron stars under the presence of a strong magnetic field within the framework of a relativistic mean-field description. Two models with a different slope of the…

Nuclear Theory · Physics 2022-03-09 Xiaopeng Wang , Jing Li , Jianjun Fang , Helena Pais , Constança Providência

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

The properties of high-density nuclear and neutron matter are studied using a relativistic mean-field approximation to the nuclear matter energy functional. Based on ideas of effective field theory, nonlinear interactions between the fields…

Nuclear Theory · Physics 2009-10-30 Horst Mueller , Brian D. Serot

The relativistic theory of the inverse beta-decay of polarized neutron, $\nu _{e} + n \to p + e ^{-}$, in strong magnetic field is developed. For the proton wave function we use the exact solution of the Dirac equation in the magnetic filed…

High Energy Physics - Phenomenology · Physics 2009-11-10 Sergey Shinkevich , Alexander Studenikin

Our Universe is full of regions where extreme physical conditions are realized. A most intriguing case is the super-dense core of neutron stars, some of which also have super-strong magnetic fields, hence called magnetars. In this paper we…

High Energy Physics - Phenomenology · Physics 2009-05-01 Efrain J. Ferrer , Vivian de la Incera

The magnetic field created in proton-proton and nucleus-nucleus collisions at ultra high energies are studied with models of point-like charges and hard sphere for distribution of the constituents for vacuum conditions. The various beam…

Nuclear Theory · Physics 2019-07-03 V. A. Okorokov

High density behaviour of nuclear symmetry energy is studied on the basis of a stiffest density dependence of asymmetric contribution to energy per nucleon in charge neutral $n+p+e+\mu$ matter under beta equilibrium. The density dependence…

General Physics · Physics 2016-11-09 B Behera , T R Routray , S K Tripathy

We show that in the search of a unified mean field description of finite nuclei and of nuclear and neutron matter even at high densities, the relativistic nuclear model derived from effective field theory and density functional theory…

Nuclear Theory · Physics 2007-05-23 Tapas Sil , S. K. Patra , B. K. Sharma , M. Centelles , X. Vinas

We study the properties of hot and dense neutron star matter under the presence of strong magnetic fields using two Skyrme interactions, namely the LNS and the BSk21 ones. Asking for $\beta$--stability and charge neutrality, we construct…

Nuclear Theory · Physics 2023-08-02 Omar G. Benvenuto , Eduardo Bauer , Isaac Vidaña

Covariant density functional theory is used to study the effect of strong magnetic fields, up to the limit predicted for neutron stars (for magnetars $B \approx10^{18}$G), on nuclear structure. All new terms in the equation of motion…

Nuclear Theory · Physics 2015-05-28 Daniel Pena Arteaga , Marcella Grasso , Elias Khan , Peter Ring

Hot matter with nucleons can be produced in the inner region of the neutrino-dominated accretion flow in gamma-ray bursts or during the proto-neutron star birth in successful supernova. The composition and equation of state of the matter…

Solar and Stellar Astrophysics · Physics 2015-06-15 A. Li , T. Liu

The strange quark matter under strong magnetic fields and finite temperatures is studied in the framework of the MIT Bag model. Matter under such conditions is believed to be present in the core of dense astrophysical objects, like Neutron…

High Energy Astrophysical Phenomena · Physics 2019-02-08 Ernesto López Fune

It is shown explicitly that if only the zeroth Landau level is occupied by electrons in strongly magnetized neutron star matter in $\beta$-equilibrium condition, then both the proton and neutron matter sectors become spin symmetric.…

Astrophysics · Physics 2007-05-23 Sutapa Ghosh , Soma Mandal , Somenath Chakrabarty

Relativistic mean field (RMF) theory of nuclear matter with the isovector scalar mean field corresponding to the delta-meson [a_0(980)] is studied. While the delta-meson mean field vanishes in symmetric nuclear matter, it can influence…

Astrophysics · Physics 2009-10-30 S. Kubis , M. Kutschera