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Related papers: Neutron-star seismology with realistic, finite-tem…

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We general relativistically calculate the frequency of fundamental torsional oscillations of neutron star crusts, where we focus on the crystalline properties obtained from macroscopic nuclear models in a way depending on the equation of…

High Energy Astrophysical Phenomena · Physics 2012-05-22 Hajime Sotani , Ken'ichiro Nakazato , Kei Iida , Kazuhiro Oyamatsu

We study the oscillations of relativistic stars, incorporating key physics associated with internal composition, thermal gradients and crust elasticity. Our aim is to develop a formalism which is able to account for the state-of-the-art…

General Relativity and Quantum Cosmology · Physics 2015-09-16 C. J. Krüger , W. C. G. Ho , N. Andersson

Neutron stars provide a unique physical laboratory to study the properties of matter at high density. We study a diagnostic of the composition of high-density matter, namely, g-mode oscillations, which are driven by buoyancy forces. These…

High Energy Astrophysical Phenomena · Physics 2022-07-28 Nicholas Lozano , Vinh Tran , Prashanth Jaikumar

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

Recent studies have revealed that certain nuclear parameters are more dominant than others in governing global neutron star properties, such as its structure or oscillation mode characteristics. Although neutron stars can in general assumed…

High Energy Astrophysical Phenomena · Physics 2025-01-16 Nilaksha Barman , Bikram Keshari Pradhan , Debarati Chatterjee

In this study, my main goal is to examine the nuclear matter properties across a wide range of conditions, such as temperature, density, asymmetry, pressure, and magnetic field. Understanding the effect of these factors on nuclear matter is…

Nuclear Theory · Physics 2023-09-21 Vishal Parmar

In this undergraduate project, f-mode oscillations in neutron stars are used to constrain the equation of state of dense matter. For the first time, a systematic investigation of the role of nuclear saturation parameters on the mode…

High Energy Astrophysical Phenomena · Physics 2021-08-12 Sukrit Jaiswal , Debarati Chatterjee

The past years have witnessed tremendous progress in understanding the properties of neutron stars and of the dense matter in their cores, made possible by electromagnetic observations of neutron stars and the detection of gravitational…

Gravitational wave and electromagnetic observations can provide new insights into the nature of matter at supra-nuclear densities inside neutron stars. Improvements in electromagnetic and gravitational wave sensing instruments continue to…

General Relativity and Quantum Cosmology · Physics 2019-04-24 Shawn Rosofsky , Roman Gold , Cecilia Chirenti , E. A. Huerta , M. Coleman Miller

A fully quantitative description of equilibrium and dynamical properties of hot nuclear matter will be needed for the interpretation of the available and forthcoming astrophysical data, providing information on the post merger phase of a…

Nuclear Theory · Physics 2023-06-05 Omar Benhar , Alessandro Lovato , Lucas Tonetto

The prediction of the equation of state of hot, dense nuclear matter is one of the most complicated and interesting problems in nuclear astrophysics. At the same time, knowledge of it is the basic ingredient for some of the most interesting…

High Energy Astrophysical Phenomena · Physics 2021-05-12 P. S. Koliogiannis , Ch. C. Moustakidis

Neutron stars provide a natural laboratory for studying the properties of dense nuclear matter under extreme conditions. In this proceeding, we review our current understanding of dense isospin symmetric and asymmetric matter and neutron…

Nuclear Theory · Physics 2025-04-01 Rajesh Kumar , Veronica Dexheimer , Johannes Jahan

We calculate the spectrum of inertial oscillation modes in a slowly rotating superfluid neutron star, including, for the first time, both the effects of finite temperatures and entrainment between superfluid neutrons and protons. We work in…

High Energy Astrophysical Phenomena · Physics 2018-11-07 Vasiliy A. Dommes , Elena M. Kantor , Mikhail E. Gusakov

In this contribution we will review our present understanding of the matter equation of state in the density and temperature conditions where it can be described by nucleonic degrees of freedom. At zero temperature, all the information is…

Nuclear Theory · Physics 2013-01-30 F. Gulminelli

For the first time nonradial oscillations of superfluid nonrotating stars are self-consistently studied at finite stellar temperatures. We apply a realistic equation of state and realistic density dependent model of critical temperature of…

Solar and Stellar Astrophysics · Physics 2015-05-28 A. I. Chugunov , M. E. Gusakov

With the effective chiral model, the finite temperature properties of nuclear matter have been studied at different temperatures. For symmetric nuclear matter, I particularly focused on the possibility of liquid-gas phase transition at low…

Nuclear Theory · Physics 2020-12-22 Debashree Sen

We present a unified description of dense matter and neutron-star structure based on simple but physically motivated models. Starting from the thermodynamics of degenerate Fermi gases, we construct an equation of state for cold, catalyzed…

Nuclear Theory · Physics 2026-01-28 Elissaios Andronopoulos , Konstantinos N. Gourgouliatos

A common alternative to the standard assumption of nucleonic composition of matter in the interior of a neutron star is to include strange baryons, particularly hyperons. Any change in composition of the neutron star core has an effect on…

Nuclear Theory · Physics 2023-07-26 Vinh Tran , Suprovo Ghosh , Nicholas Lozano , Debarati Chatterjee , Prashanth Jaikumar

The interpretation of the available and forthcoming data obtained from multimessenger astrophysical observations -- potentially providing unprecedented access to neutron star properties -- will require the development of novel, accurate…

Nuclear Theory · Physics 2022-11-09 Omar Benhar , Alessandro Lovato , Giovanni Camelio

Recent developments in the theory of pure neutron matter and experiments concerning the symmetry energy of nuclear matter, coupled with recent measurements of high-mass neutron stars, now allow for relatively tight constraints on the…

Solar and Stellar Astrophysics · Physics 2016-04-20 James M. Lattimer , M. Prakash
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