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The possibility to draw links between the isospin properties of nuclei and the structure of compact stars is a stimulating perspective. In order to pursue this objective on a sound basis, the correlations from which such links can be…

Nuclear Theory · Physics 2011-05-23 Camille Ducoin , Jérôme Margueron , Constança Providência , Isaac Vidaña

The slope of the nuclear symmetry energy at saturation density $L$ is pointed out as a crucial quantity to determine the mass and width of neutron-star crusts. This letter clarifies the relation between $L$ and the core-crust transition. We…

Nuclear Theory · Physics 2010-09-08 Camille Ducoin , Jérôme Margueron , Constança Providencia

The correlations of the crust-core transition density and pressure in neutron stars with the slope of the symmetry energy and the neutron skin thickness are investigated, using different families of relativistic mean field parametrizations…

Nuclear Theory · Physics 2016-04-11 H. Pais , A. Sulaksono , B. K. Agrawal , C. Providência

We study the influence of core-\textit{crust} transition pressure changes on the general dynamical properties of neutron star configurations. First we study the matching conditions in core-\textit{crust} transition pressure region, where…

General Relativity and Quantum Cosmology · Physics 2013-07-08 L. M. González-Romero , J. L. Blázquez-Salcedo

We investigate the effects of the symmetry energy on nuclear pasta phases and the crust-core transition in neutron stars. We employ the relativistic mean-field approach and the coexisting phases method to study the properties of pasta…

Nuclear Theory · Physics 2015-06-19 S. S. Bao , H. Shen

We systematically study the symmetry energy effects of the transition density $n_{\rm t}$ and the transition pressure $P_{\rm t}$ around the crust-core interface of a neutron star in the framework of the dynamical and the thermodynamical…

Nuclear Theory · Physics 2019-01-23 L. Tsaloukidis , Ch. Margaritis , Ch. C. Moustakidis

The nuclear symmetry energy plays an important role in the description of the properties of finite nuclei as well as neutron stars. Especially, for low values of baryon density, the accurate description of the crust-core interface strongly…

Nuclear Theory · Physics 2021-08-20 Ch. Margaritis , P. S. Koliogiannis , A. Kanakis-Pegios , Ch. C. Moustakidis

The transition density $n_t$ and pressure $P_t$ at the inner edge between the liquid core and the solid crust of a neutron star are analyzed using the thermodynamical method and the framework of relativistic nuclear energy density…

Nuclear Theory · Physics 2014-11-20 Ch. C. Moustakidis , T. Niksic , G. A. Lalazissis , D. Vretenar , P. Ring

In this work we study the effect of the symmetry energy on several properties of neutron stars. First, we discuss its effect on the density, proton fraction and pressure of the neutron star crust-core transition. We show that whereas the…

The form of the nuclear symmetry energy $E_s$ around saturation point density leads to a different crust-core transition point in the neutron star and affect the crust properties. We show that the knowledge about $E_s$ close to the…

Solar and Stellar Astrophysics · Physics 2011-02-01 S. Kubis , J. Porebska , D. E. Alvarez-Castillo

The properties of the core-crust transition in neutron stars are investigated using effective nuclear forces of finite-range. Special attention is paid to the so-called dynamical method for locating the transition point, which, apart from…

Nuclear Theory · Physics 2019-07-31 C. Gonzalez-Boquera , M. Centelles , X. Viñas , T. R. Routray

Using the nuclear symmetry energy that has been recently constrained by the isospin diffusion data in intermediate-energy heavy ion collisions, we have studied the transition density and pressure at the inner edge of neutron star crusts,…

Nuclear Theory · Physics 2014-11-20 Jun Xu , Che Ming Ko , Lie-Wen Chen , Bao-an Li , Hong-Ru Ma

We study the impact of the symmetry energy on properties of nuclear pasta phases and crust-core transition in neutron stars. We perform a self-consistent Thomas--Fermi calculation employing the relativistic mean-field model. The properties…

Nuclear Theory · Physics 2015-01-19 S. S. Bao , H. Shen

Using the momentum-dependent MDI effective interaction for nucleons, we have studied the transition density and pressure at the boundary between the inner crust and liquid core of hot neutron stars. We find that their values are larger in…

Nuclear Theory · Physics 2010-05-25 Jun Xu , Lie-Wen Chen , Che Ming Ko , Bao-An Li

We study the symmetry energy and the core-crust transition in neutron stars using the finite-range Gogny nuclear interaction and examine the deduced crustal thickness and crustal moment of inertia. We start by analyzing the second-, fourth-…

Nuclear Theory · Physics 2017-12-27 C. Gonzalez-Boquera , M. Centelles , X. Viñas , A. Rios

It has been shown recently that taking into account strong, weak, electromagnetic, and gravitational interactions, and fulfilling the global charge neutrality of the system, a transition layer will happen between the core and crust of…

Solar and Stellar Astrophysics · Physics 2014-03-20 Jorge A. Rueda , Remo Ruffini , Yuan-Bin Wu , She-Sheng Xue

The model dependence in the correlations of the neutron-skin thickness in heavy nuclei with various symmetry energy parameters is analyzed by using several families of systematically varied microscopic mean field models. Such correlations…

Nuclear Theory · Physics 2016-06-22 C. Mondal , B. K. Agrawal , M. Centelles , G. Colò , X. Roca-Maza , N. Paar , X. Viñas , S. K. Singh , S. K. Patra

Using the equation of state of asymmetric nuclear matter that has been recently constrained by the isospin diffusion data from intermediate-energy heavy ion collisions, we have studied the transition density and pressure at the inner edge…

Nuclear Theory · Physics 2009-12-01 Lie-Wen Chen , Bao-An Li , Hong-Ru Ma , Jun Xu

The nuclear symmetry energy characterizes the variation of the binding energy as the neutron to proton ratio of nuclear systems (e.g. finite nucleus, neutron star etc.) is varied. The densities associated to these nuclear systems vary over…

Nuclear Theory · Physics 2018-08-24 Chiranjib Mondal

Using the relativistic mean-field theory, we adopt two different methods, namely, the coexisting phase method and the self-consistent Thomas-Fermi approximation, to study the impacts of the nuclear symmetry energy on properties of neutron…

Nuclear Theory · Physics 2015-12-15 Shishao Bao , Hong Shen
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