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Related papers: Neutron Star Crust and Molecular Dynamics Simulati…

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We study the properties of neutron-star crust within a Bayesian framework based on a unified relativistic mean-field (RMF) description of dense matter. The analysis focuses on the posterior distributions of crust properties, constrained by…

Nuclear Theory · Physics 2026-01-13 Vishal Parmar , Ignazio Bombaci

The goal of this paper is to investigate properties of clusterized nuclear matter which is believed to be present in crusts of neutron stars at subnuclear densities. It is assumed that the whole system can be represented by the set of…

Nuclear Theory · Physics 2018-04-04 Claudio Ebel , Thomas J. Bürvenich , Igor Mishustin

The boundary between the solid crust, assumed to be in complete thermodynamic equilibrium (cold catalyzed matter), and the liquid core of a neutron star is studied using Skyrme SLy effective N-N interactions. An approximate value of the…

Astrophysics · Physics 2009-10-31 F. Douchin , P. Haensel

We calculate crustal properties of neutron stars, namely, mass ($M_{\rm crust}$), radius ($R_{\rm crust}$) and fraction of moment of inertia ($\Delta I/I$) from parametrizations of hadronic relativistic mean-field (RMF) model consistent…

Nuclear Theory · Physics 2021-10-05 M. Dutra , C. H. Lenzi , W. de Paula , O. Lourenço

Abridged. White dwarf stars are the final evolutionary stage of the vast majority of stars, including our Sun. The study of white dwarfs has potential applications to different fields of astrophysics. In particular, they can be used as…

Solar and Stellar Astrophysics · Physics 2016-08-09 Leandro G. Althaus , Alejandro H. Córsico , Jordi Isern , Enrique García-Berro

The stability of the $\beta$-equilibrated dense nuclear matter is analyzed with respect to the thermodynamic stability conditions. Based on the density dependent M3Y effective nucleon-nucleon interaction, the effects of the nuclear…

Nuclear Theory · Physics 2014-09-05 Debasis Atta , D. N. Basu

We develop a method for calculating the equilibrium properties of the liquid-solid phase transition in a classical, ideal, multi-component plasma. Our method is a semi-analytic calculation that relies on extending the accurate fitting…

Solar and Stellar Astrophysics · Physics 2012-07-31 Zach Medin , Andrew Cumming

In this Review we study the nuclear pastas as they are expected to be formed in neutron star cores. We start with a study of the pastas formed in nuclear matter (composed of protons and neutrons), we follow with the role of the electron gas…

Nuclear Theory · Physics 2020-07-16 Jorge A. Lopez , Claudio O. Dorso , Guillermo A. Frank

We model neutron star cooling with several microscopic nuclear equations of state based on different nucleon-nucleon interactions and three-body forces, and compatible with the recent GW170817 neutron star merger event. They all feature…

High Energy Astrophysical Phenomena · Physics 2020-01-16 J. -B. Wei , G. F. Burgio , H. -J. Schulze

Observed temperatures of transiently accreting neutron stars in the quiescent state are generally believed to be supported by deep crustal heating, associated with non-equilibrium exothermic reactions in the crust. Traditionally, these…

High Energy Astrophysical Phenomena · Physics 2020-04-03 Andrey Chugunov , Nikolay Shchechilin

Complex and exotic nuclear geometries are expected to appear naturally in dense nuclear matter found in the crust of neutron stars and supernovae environment collectively referred to as nuclear pasta. The pasta geometries depend on the…

Nuclear Theory · Physics 2017-05-15 F. J. Fattoyev , C. J. Horowitz , B. Schuetrumpf

A short introduction is given to astrophysics of neutron stars and to physics of dense matter in neutron stars. Observed properties of astrophysical objects containing neutron stars are discussed. Current scenarios regarding formation and…

Astrophysics · Physics 2007-05-23 Marek Kutschera

Few unified equations of state for neutron star matter where core and crust are described using the same nuclear model are available. However the use of non-unified equations of state with a simplified matching between the crust and the…

High Energy Astrophysical Phenomena · Physics 2016-11-07 J. L. Zdunik , M. Fortin , P. Haensel

Matter inside neutron stars is compressed to densities several times greater than nuclear saturation density, while maintaining low temperatures and large asymmetries between neutrons and protons. Neutron stars, therefore, provide a unique…

Understanding signals from neutron stars requires knowledge about the transport inside the star. We review the transport properties and the underlying reaction rates of dense hadronic and quark matter in the crust and the core of neutron…

High Energy Astrophysical Phenomena · Physics 2019-03-06 Andreas Schmitt , Peter Shternin

The mechanical properties of a neutron star crust, such as breaking strain and shear modulus, have implications for the detection of gravitational waves from a neutron star as well as bursts from Soft Gamma-ray Repeaters (SGRs). These…

Solar and Stellar Astrophysics · Physics 2015-06-11 Kelsey Hoffman , Jeremy Heyl

A review of properties of matter in the interior of neutron stars is given. Particular attention is paid to recent many-body theory calculations of the properties of dense matter. Among topics discussed are the strong increase of tensor…

Astrophysics · Physics 2007-05-23 C. J. Pethick , A. Akmal , V. R. Pandharipande , D. G. Ravenhall

In this review I give a summary of the state-of-the-art for what concerns the chemo-dynamical numerical modelling of galaxies in general and of dwarf galaxies in particular. In particular, I focus my attention on (i) initial conditions;…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-17 S. Recchi

We study the impact of strong magnetic fields on the pasta phases that are expected to exist in the inner crust of neutron stars. We employ the relativistic mean field model to describe the nucleon interaction and use the self-consistent…

Nuclear Theory · Physics 2021-01-14 S. S. Bao , J. N. Hu , H. Shen

We calculate the shear viscosity $\eta$ and thermal conductivity $\kappa$ of a nuclear pasta phase in neutron star crusts. This involves complex non-spherical shapes. We use semiclassical molecular dynamics simulations involving 40,000 to…

Astrophysics · Physics 2008-11-26 C. J. Horowitz , D. K. Berry