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With central densities way above the density of atomic nuclei, neutron stars contain matter in one of the densest forms found in the universe. Depending of the density reached in the cores of neutron stars, they may contain stable phases of…

Astrophysics · Physics 2010-12-06 Fridolin Weber , Matthew Meixner , Rodrigo P. Negreiros , Manuel Malheiro

Contents: 1.Introduction 2. Formation and composition of the solid crust 3. The bottom layers of the crust: exotic nuclear shapes and topologies 4. Crust contribution to stellar mass and moment of inertia 5. Solid cores 6. Deformation,…

Astrophysics · Physics 2007-05-23 P. Haensel

This is a brief overview of the connection between neutron skin thickness in finite nuclei and the equation of state of neutron-rich matter, with applications to neutron stars. Multiple experimental probes are discussed, including dipole…

Nuclear Theory · Physics 2026-04-30 C. A. Bertulani

We present a class of exact solutions of Einstein's gravitational field equations describing spherically symmetric and static anisotropic stellar type configurations. The solutions are obtained by assuming a particular form of the…

General Relativity and Quantum Cosmology · Physics 2009-11-07 M. K. Mak , T. Harko

We present a class of exact solutions of Einstein's gravitational field equations describing spherically symmetric and static anisotropic stellar type configurations. The solutions are obtained by assuming a particular form of the…

General Relativity and Quantum Cosmology · Physics 2017-10-04 T. Harko , M. K. Mak

We present results for neutron star models constructed with a new equation of state for nuclear matter at zero temperature. The ground state is computed using the Auxiliary Field Diffusion Monte Carlo (AFDMC) technique, with nucleons…

Nuclear Theory · Physics 2010-04-23 S. Gandolfi , A. Yu Illarionov , S. Fantoni , J. C. Miller , F. Pederiva , K. E. Schmidt

Physics of the Equation of State (EoS) for proto-neutron star (PNS) concerns properties of neutron rich matter at finite temperature over wide range of densities. In this contribution we discuss the structure of PNS inner crust in a…

High Energy Astrophysical Phenomena · Physics 2012-02-28 Gang Shen

I have demonstrated the existence of a tight correlation between the mass, radius, central density, and pressure of maximum-mass neutron stars modeled using diverse baryonic equations of state. A possible explanation for these correlations…

High Energy Astrophysical Phenomena · Physics 2020-05-22 D. D. Ofengeim

The experimental and astrophysical status of neutrino masses is reviewed with an emphasis on the cosmologically interesting regime.

High Energy Physics - Phenomenology · Physics 2007-05-23 Georg G. Raffelt

We report neutron star predictions based on our most recent equations of state. These are derived from chiral effective field theory, which allows for a systematic development of nuclear forces, order by order. We utilize high-quality…

Nuclear Theory · Physics 2022-03-01 Francesca Sammarruca , Randy Millerson

In this lecture, we give a first introduction to neutron stars, based on fundamental physical principles. After outlining their amazing macroscopic properties, as obtained from observations, we infer the extreme conditions of matter in…

High Energy Astrophysical Phenomena · Physics 2010-01-11 Pierre M. Pizzochero

We study the properties of hot beta-stable nuclear matter using equations of state derived within the Brueckner-Hartree-Fock approach at finite temperature including consistent three-body forces. Simple and accurate parametrizations of the…

Nuclear Theory · Physics 2019-12-02 Jia-Jing Lu , Zeng-Hua Li , G. F. Burgio , H. -J Schulze

We discuss the high-density nuclear equation of state within the Brueckner-Hartree-Fock approach. Particular attention is paid to the effects of nucleonic three-body forces, the presence of hyperons, and the joining with an eventual quark…

Astrophysics · Physics 2007-05-23 M. Baldo , G. F. Burgio , H. -J. Schulze

In this review article, we argue that our current understanding of the thermodynamic properties of cold QCD matter, originating from first principles calculations at high and low densities, can be used to efficiently constrain the…

Nuclear Theory · Physics 2016-04-20 Eduardo S. Fraga , Aleksi Kurkela , Aleksi Vuorinen

We determine an empirical dense matter equation of state from a heterogeneous dataset of six neutron stars: three type I X-ray bursters with photospheric radius expansion, studied by Ozel et al., and three transient low-mass X-ray binaries.…

High Energy Astrophysical Phenomena · Physics 2015-05-18 Andrew W. Steiner , James M. Lattimer , Edward F. Brown

The impact of nuclear physics theories on cooling of isolated neutron stars is analyzed. Physical properties of neutron star matter important for cooling are reviewed such as composition, the equation of state, superfluidity of various…

Determining the Equation of State (EOS) of dense neutron-rich nuclear matter is a shared goal of both nuclear physics and astrophysics. Except possible phase transitions, the density dependence of nuclear symmetry \esym is the most…

Nuclear Theory · Physics 2019-07-23 Bao-An Li , Plamen G. Krastev , De-Hua Wen , Nai-Bo Zhang

Topical problems in the physics of and basic facts about neutron stars are reviewed. The observational manifestations of neutron stars, their core and envelope structure, magnetic fields, thermal evolution, and masses and radii are briefly…

Solar and Stellar Astrophysics · Physics 2011-06-23 A. Y. Potekhin

Motivated by a recent astrophysical measurement of the pressure of cold matter above nuclear-matter saturation density, we compute the equation of state of neutron star matter using accurately calibrated relativistic models. The uniform…

Nuclear Theory · Physics 2014-11-20 F. J. Fattoyev , J. Piekarewicz

I discuss why state-of-the art perturbative QCD calculations of the equation of state at large chemical potential that are reliable at asymptotically high densities constrain the same equation of state at neutron-star densities. I describe…

Nuclear Theory · Physics 2022-08-08 Oleg Komoltsev
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