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We review the nuclear and condensed matter physics underlying the thermal and transport properties of the neutron star inner crust. These properties play a key role in interpreting transient phenomena such as thermal relaxation in accreting…

Nuclear Theory · Physics 2012-01-27 Dany Page , Sanjay Reddy

Self-consistent mean-field methods with Skyrme-type effective interactions and semiclassical approximations, such as the Thomas-Fermi approach and its extensions are particularly well-suited for describing in a thermodynamically consistent…

Nuclear Theory · Physics 2026-05-21 Nicolas Chamel , Nikolai N. Shchechilin , Andrey I. Chugunov

Equilibrium phase diagrams for neutron star matter at subnuclear densities are obtained at zero temperature. Spherical, rod-like and slab-like nuclei as well as spherical and rod-like nuclear bubbles are taken into account by using a…

Astrophysics · Physics 2009-10-31 Gentaro Watanabe , Kei Iida , Katsuhiko Sato

The influence of the boundary conditions used in the Wigner-Seitz (WS) approximation applied to the neutron star inner crust is examined. The generalized energy functional method which includes the neutron and proton pairing correlations is…

Nuclear Theory · Physics 2016-09-08 M. Baldo , E. E. Saperstein , S. V. Tolokonnikov

Understanding the properties of the crust and the core as well as its interface is essential for accurate astrophysical modeling of phenomena such as glitches, X-ray bursts or oscillations in neutron stars. To study the crust-core…

Nuclear Theory · Physics 2017-11-01 Debarati Chatterjee , Francesca Gulminelli

Properties of the matter in the inner crust of a neutron star are investigated in a Hartree-Fock plus BCS approximation employing schematic effective forces of the type of the Skyrme forces. Special attention is paid to differences between…

Nuclear Theory · Physics 2009-11-10 F. Montani , C. May , H. Müther

The crust region is a tiny fraction of neutron stars, but it has a variety of physical properties and plays an important role in astronomical observations. One of the properties characterizing the crust is the elasticity. In this review,…

High Energy Astrophysical Phenomena · Physics 2024-05-29 Hajime Sotani

Globally neutral neutron stars, obtained from the solution of the called Einstein-Maxwell-Thomas-Fermi equations that account for all the fundamental interactions, have been recently introduced. These configurations have a more general…

High Energy Astrophysical Phenomena · Physics 2015-06-23 S. M. de Carvalho , R. Negreiros , Jorge A. Rueda , Remo Ruffini

We derive a new equation of state (EoS) for neutron stars (NS) from the outer crust to the core based on modern microscopic Brueckner-Hartree-Fock (BHF) calculations using the Argonne $v_{18}$ potential plus three-body forces computed with…

Nuclear Theory · Physics 2015-12-02 B. K. Sharma , M. Centelles , X. Vinas , M. Baldo , G. F. Burgio

The glitch activity of young pulsars arises from the exchange of angular momentum between the crust and the interior of the star. Recently, it was inferred that the moment of inertia of the crust of a neutron star is not sufficient to…

General Relativity and Quantum Cosmology · Physics 2016-08-02 Kalin Staykov , K. Yavuz Ekşi , Stoytcho S. Yazadjiev , M. Metehan Türkoğlu , A. Savaş Arapoğlu

The mean free path of neutrino in charged and neutral current reactions is calculated for inhomogeneous nuclear matter which is expected to appear in the crust of neutron stars. The relevant cross section depends on Fermi and Gamow-Teller…

Nuclear Theory · Physics 2009-10-16 P. Grygorov , P. Gögelein , H. Müther

We analyse the effect of neutron superfluidity on the cooling time of inner crust matter in neutron stars, in the case of a rapid cooling of the core. The specific heat of the inner crust, which determines the thermal response of the crust,…

Nuclear Theory · Physics 2008-11-26 C. Monrozeau , J. Margueron , N. Sandulescu

The inner crust of a mature neutron star is composed of an elastic lattice of neutron-rich nuclei penetrated by free neutrons. These neutrons can flow relative to the crust once the star cools below the superfluid transition temperature. In…

General Relativity and Quantum Cosmology · Physics 2019-05-22 N. Andersson , B. Haskell , G. L. Comer , L. Samuelsson

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

To make best use of multi-faceted astronomical and nuclear data-sets, probability distributions of neutron star models that can be used to propagate errors consistently from one domain to another are required. We take steps toward a…

High Energy Astrophysical Phenomena · Physics 2021-09-22 Lauren Balliet , William Newton , Sarah Cantu , Srdan Budimir

We perform a systematic investigation of the chemical composition of the inner crust of a neutron star, using the extended Thomas-Fermi approximation, the Strutinsky integral correction for shell effects, and the BCS approximation for…

Nuclear Theory · Physics 2021-04-07 Matthew Shelley , Alessandro Pastore

We investigate nuclear pasta phases appearing in hot neutron-star matter based on the compressible liquid-drop model, where the matter consists of a dense liquid phase and a dilute gas phase separated by a sharp interface. The surface…

Nuclear Theory · Physics 2026-03-18 Jian Zhou , Junbo Pang , Hong Shen , Jinniu Hu

Neutron stars cooling after sustained accretion outbursts provide unique information about the neutron star crust and underlying dense matter. Comparisons between astronomical observations of these cooling transients and model calculations…

High Energy Astrophysical Phenomena · Physics 2019-09-11 Sudhanva Lalit , Zach Meisel , Edward F. Brown

Properties, structure, and thermal evolution of neutron stars are determined by the equation of state of stellar matter. Recent data on isospin-diffusion and isoscaling in heavy-ion collisions at intermediate energies as well as the size of…

Astrophysics · Physics 2009-11-13 Plamen G. Krastev , Bao-An Li , Aaron Worley

The bottom part of the neutron star crust is investigated using the Skyrme-Hartree-Fock approach with the Coulomb interaction treated beyond the Wigner-Seitz approximation. A variety of nuclear phases is found to coexist in this region.…

Nuclear Theory · Physics 2009-11-07 Piotr Magierski , Aurel Bulgac , Paul-Henri Heenen
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