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The question of how and which physical observables or thermodynamic parameters can best predict the onset of a possible phase transition in the inner crust of neutron stars remains largely unresolved. Using semiclassical Monte Carlo…

Nuclear Theory · Physics 2023-12-12 R. Shafieepour , H. R. Moshfegh , J. Piekarewicz

The detailed knowledge of the inner crust properties of neutron stars might be important to explain different phenomena such as pulsar glitches or the possibility of an {\it r-process} site in neutron star mergers. It has been shown in the…

Nuclear Theory · Physics 2020-09-21 C. Mondal , X. Viñas , M. Centelles , J. N. De

The crust of a neutron star is known to melt at a temperature that increases with increasing matter density, up to about $10^{10}$ K. At such high temperatures and beyond, the crustal ions are put into collective motion and the associated…

High Energy Astrophysical Phenomena · Physics 2023-09-06 H. Dinh Thi , A. F. Fantina , F. Gulminelli

The composition of the inner crust of neutron stars is usually studied using phenomenological interactions such as Skyrme energy-density functionals. But most of these functionals do not agree well with ab-initio calculations of very dilute…

Nuclear Theory · Physics 2024-04-10 Sunny Kumar Gupta , Michael Urban

Neutron stars exhibit magnetic fields and densities far beyond those achievable in terrestrial laboratories, offering a natural probe of strongly interacting matter under extreme conditions. Using observationally anchored mass-radius…

Cosmology and Nongalactic Astrophysics · Physics 2026-01-13 Abriana Lyda , Prajwal MohanMurthy

The equation of state of the neutron-star outer crust is sensitive to nuclear mass predictions and provides a direct connection to properties of nuclei throughout the nuclide map, including those beyond experimental reach. We quantify the…

Nuclear Theory · Physics 2026-05-12 P. S. Koliogiannis , N. Paar

A fully self-consistent model of the neutron star inner crust based upon models of the nucleonic equation of state at zero temperature is constructed. The results nearly match those of previous calculations of the inner crust given the same…

Nuclear Theory · Physics 2008-11-26 Andrew W. Steiner

The mass, radius and crustal fraction of moment of inertia in neutron stars are calculated using $\beta$-equilibrated nuclear matter obtained from Skyrme effective interaction. The transition density, pressure and proton fraction at the…

Nuclear Theory · Physics 2017-07-18 K. Madhuri , D. N. Basu , T. R. Routray , S. P. Pattnaik

We use the effective relativistic mean-field (E-RMF) model to study the crustal properties of the neutron star. The unified equations of state (EoS) are constructed using recently developed E-RMF parameter sets, such as FSUGarnet, IOPB-I,…

Nuclear Theory · Physics 2022-02-24 Vishal Parmar , H. C. Das , Ankit Kumar , M. K. Sharma , S. K. Patra

The cell structure of $\beta$-stable clusters in the inner crust of cold and warm neutron stars is studied within the Thomas-Fermi approach using relativistic mean field nuclear models. The relative size of the inner crust and the pasta…

A semi-microscopic self-consistent quantum approach developed recently to describe the inner crust structure of neutron stars within the Wigner-Seitz (WS) method with the explicit inclusion of neutron and proton pairing correlations is…

Nuclear Theory · Physics 2008-11-26 M. Baldo , E. E. Saperstein , S. V. Tolokonnikov

The structure of the crust of a neutron star is completely determined by the experimentally measured nuclear masses up to a density of the order of 10^11 g.cm^{-3}. At higher densities, the composition of the crust still remains uncertain,…

Nuclear Theory · Physics 2008-11-26 Nicolas Chamel

The possible presence of amorphous and heterogeneous phases in the inner crust of a neutron star is expected to reduce the electrical conductivity of the crust, with potentially important consequences on the magneto-thermal evolution of the…

High Energy Astrophysical Phenomena · Physics 2021-01-20 T. Carreau , A. F. Fantina , F. Gulminelli

Within both dynamical and thermodynamical approaches using the equation of state for neutron-rich nuclear matter constrained by the recent isospin diffusion data from heavy-ion reactions in the same sub-saturation density range as the…

Nuclear Theory · Physics 2009-03-15 Jun Xu , Lie-Wen Chen , Bao-An Li , Hong-Ru Ma

Even though the crystallize nature of the neutron star crust plays a pivotal role in describing various fascinating astrophysical observations, its microscopic structure is not fully understood in the presence of a colossal magnetic field.…

High Energy Astrophysical Phenomena · Physics 2023-02-23 Vishal Parmar , H. C. Das , M. K. Sharma , S. K. Patra

Using the fourth-order extended Thomas-Fermi method with Strutinsky-integral shell and pairing corrections, we calculate the inner crust of neutron stars with the BSk31 functional, whose pairing has two terms: i) a term that is fitted to…

Nuclear Theory · Physics 2026-05-21 Nicolas Chamel , John-Michael Pearson , Nikolay N. Shchechilin

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 properties of pasta structures and their influence on the neutron star observables employing the effective relativistic mean-field (E-RMF) model. The compressible liquid drop model is used to incorporate the finite size…

Nuclear Theory · Physics 2022-08-01 Vishal Parmar , H. C. Das , Ankit Kumar , Ankit Kumar , M. K. Sharma , P. Arumugam , S. K. Patra

Based on an extended nuclear statistical equilibrium model, we investigate the properties of non-accreted crusts of young and warm neo-neutron stars, i.e., of finite-temperature inhomogeneous dense matter in beta equilibrium. An interesting…

Nuclear Theory · Physics 2025-11-10 Mikhail V. Beznogov , Adriana R. Raduta

We investigated the superfluid properties of the inner crust of neutron stars, solving the Hartree-Fock-Bogoliubov equations in spherical Wigner-Seitz cells. Using realistic two-body interactions in the pairing channel, we studied in detail…

Nuclear Theory · Physics 2013-05-29 Alessandro Pastore , Simone Baroni , Cristina Losa
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