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相关论文: Nuclear matter at finite temperature and static pr…

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Asymmetric nuclear matter equation of state at finite temperature is studied in SU(2) chiral sigma model using mean field approximation. The effect of temperature on effective mass, entropy, and binding energy is discussed. Treating the…

核理论 · 物理学 2011-07-19 Pravat Kumar Jena , Lambodar Prasad Singh

We study the thermal effects on the nuclear matter (NM) properties such as binding energy, incompressibility, free symmetry energy and its coefficients using NL3, G3 and IU-FSU parameter sets of relativistic mean-field models. These models…

核理论 · 物理学 2020-08-28 Ankit Kumar , H. C. Das , S. K. Biswal , Bharat Kumar , S. K. Patra

We present a methodical study of the thermal and nuclear properties for the hot nuclear matter using relativistic-mean field theory. We examine the effects of temperature on the binding energy, pressure, thermal index, symmetry energy, and…

高能物理 - 唯象学 · 物理学 2021-09-17 Ankit Kumar , H. C. Das , M. Bhuyan , S. K. Patra

In the frame work of SU(2) chiral sigma model, the nuclear matter properties at zero and finite temperature have been investigated. We have analyzed the nuclear matter equation of state by varying different parameters, which agrees well…

核理论 · 物理学 2009-11-10 P. K. Sahu , T. K. Jha , K. C. Panda , S. K. Patra

We calculate the equation of state of asymmetric nuclear matter at finite temperature based on chiral effective field theory interactions to next-to-next-to-next-to-leading order. Our results assess the theoretical uncertainties from the…

核理论 · 物理学 2023-02-21 J. Keller , K. Hebeler , A. Schwenk

We study here the equation of state of symmetric nuclear matter at finite temperatures using a modified SU(2) Chiral Sigma model. The effect of temperature on effective mass, pressure, entropy and binding energy is discussed. The liquid-gas…

核理论 · 物理学 2007-05-23 P. K. Jena , L. P. Singh

The main aim of the thesis is to study the properties of nuclear matter, i.e., finite nuclei to infinite nuclear matter, at zero and finite temperature within effective field theory motived relativistic mean-field model by using some of the…

核理论 · 物理学 2021-08-27 Abdul Quddus

The cooling process of a protoneutron star is investigated with focus on its sensitivity to properties of hot and dense matter. An equation of state, which includes the nucleon effective mass and nuclear symmetry energy at twice the…

高能天体物理现象 · 物理学 2019-06-20 Ken'ichiro Nakazato , Hideyuki Suzuki

The properties of warm symmetric and asymmetric nuclear matter are investigated in the frame of the Thomas-Fermi approximation using a recent modern parametrization of the effective nucleon-nucleon interaction of Myers and Swiatecki.…

核理论 · 物理学 2015-06-26 Klaus Strobel , Fridolin Weber , Manfred K. Weigel

We study different stages of the neutron star cooling by computing neutron star properties at various temperatures and entropies using an effective chiral model including hadronic and quark degrees of freedom. Macroscopic properties of the…

天体物理学 · 物理学 2010-11-02 V. Dexheimer , S. Schramm

The highlights and main results of this work can be summarized as follows : (1) The energy per nucleon of cold nuclear matter, derived by us using chiral sigma model, is in good agreement with the preliminary estimates inferred from…

高能物理 - 唯象学 · 物理学 2008-02-03 Pradip Kumar Sahu

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…

核理论 · 物理学 2023-09-21 Vishal Parmar

We investigate the structure attained by neutron star matter with proton to neutron ratios ranging from x=0.1 to 0.5, densities in the range of 0.02 fm-3 to 0.085 fm-3, and temperatures T<4 MeV. In particular we study the pasta shapes and…

核理论 · 物理学 2019-02-20 Claudio O. Dorso , Guillermo A. Frank , Jorge A. Lopez

The free energy and the equation of state of isospin-asymmetric nuclear matter are calculated at finite temperature up to three loop order in the framework of in-medium chiral perturbation theory, systematically incorporating one- and…

核理论 · 物理学 2012-03-14 Salvatore Fiorilla , Norbert Kaiser , Wolfram Weise

The behavior of nuclear matter is studied at low densities and temperatures using classical molecular dynamics with three different sets of potentials with different compressibility. Nuclear matter is found to arrange in crystalline…

核理论 · 物理学 2013-05-13 C. O. Dorso , P. A. Giménez Molinelli , J. I. Nichols , J. A. López

Thermodynamical properties of nuclear matter are studied in the framework of an effective many-body field theory at finite temperature, considering the Sommerfeld approximation. We perform the calculations by using the nonlinear Boguta and…

天体物理学 · 物理学 2009-11-06 Guilherme F. Marranghello , Cesar A. Z. Vasconcellos , Manfred Dillig

Neutron star matter is investigated in a hadronic chiral model approach using the lowest flavor-SU(3) multiplets for baryons and mesons. The parameters are determined to yield consistent results for saturated nuclear matter as well as for…

天体物理学 · 物理学 2008-11-26 V. Dexheimer , S. Schramm , H. Stoecker

We investigate the nuclear symmetry energy and neutron star properties using a Bayesian analysis based on constraints from different chiral effective field theory calculations using new energy density functionals that allow for large…

核理论 · 物理学 2024-03-12 Yeunhwan Lim , Achim Schwenk

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…

核理论 · 物理学 2023-06-05 Omar Benhar , Alessandro Lovato , Lucas Tonetto

We develop a nonperturbative technique in field theory to study properties of infinite nuclear matter at zero temperature as well as at finite temperatures. Here we dress the nuclear matter with off-mass shell pions. The techniques of…

核理论 · 物理学 2015-06-26 H. Mishra , S. P. Misra , P. K. Panda , B. K. Parida
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