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This paper compiles the model parameters and zero-temperature properties of an extensive collection of published theoretical nuclear interactions, including 255 non-relativistic (Skyrme-like) forces, 270 relativistic mean field (RMF) and…

Nuclear Theory · Physics 2024-05-07 Boyang Sun , Saketh Bhattiprolu , James M. Lattimer

We present the temperature and density dependence of symmetry energy for nuclear matter at finite temperature based on the approach of the thermodynamics with Skyrme energy density functional. We first classify the Skyrme interactions into…

Nuclear Theory · Physics 2015-05-20 Li Ou , Zhuxia Li , Yingxun Zhang , Min Liu

The symmetric nuclear matter and pure neutron matter are investigated by the relativistic Brueckner-Hartree-Fock (RBHF) theory with the covariant chiral nuclear forces up to the next-to-leading order~(NLO). A fitting scheme to ensure the…

Nuclear Theory · Physics 2025-06-24 Wei-Jiang Zou , Yi-Long Yang , Jun-Xu Lu , Peng-Wei Zhao , Li-Sheng Geng , Jie Meng

We calculate the symmetry energy of the nuclear matter by using the bottom-up approach, so called hard wall model. To consider the nuclear matter, we introduce the isospin for u- and d-quarks. We find that in the hard wall model, the…

High Energy Physics - Theory · Physics 2015-06-03 Chanyong Park

The neutron-matter equation of state constrains the properties of many physical systems over a wide density range and can be studied systematically using chiral effective field theory (EFT). In chiral EFT, all many-body forces among…

Nuclear Theory · Physics 2013-08-13 T. Krüger , I. Tews , K. Hebeler , A. Schwenk

Based on the phenomenological Skyrme interaction various density-dependent nuclear matter quantities are calculated up to second order in many-body perturbation theory. The spin-orbit term as well as two tensor terms contribute at second…

Nuclear Theory · Physics 2015-09-02 N. Kaiser

The particle-particle hole-hole ring-diagram summation method is employed to obtain the equation of state of asymmetric nuclear matter over a wide range of asymmetry fraction. Compared with Brueckner Hartree-Fock and model-space Brueckner…

Nuclear Theory · Physics 2007-05-23 J. Shamanna , T. T. S. Kuo , I. Bombaci , Subhankar Ray

Nuclear reactions induced by stable and/or radioactive neutron-rich nuclei provide the opportunity to pin down the equation of state of neutron-rich matter, especially the density ($\rho$) dependence of its isospin-dependent part, i.e., the…

Nuclear Theory · Physics 2017-08-23 Bao-An Li , Lie-Wen Chen , Che Ming Ko , Andrew W. Steiner

Symmetry energy coefficients of explicitly isospin asymmetric nuclear matter at variable densities (from .5$\rho_0$ up to 2 $\rho_0$) are studied as generalized screening functions. An extended stability condition for asymmetric nuclear…

Nuclear Theory · Physics 2009-11-07 Fabio L. Braghin

The nuclear symmetry energy (E_sym(\roh)) is a vital ingredient of our understanding of many processes, from heavy-ion collisions to neutron stars structure. While the total nuclear symmetry energy at nuclear saturation density (\rho_0) is…

Nuclear Experiment · Physics 2015-02-09 Or Hen , Bao-An Li , Wen-Jun Guo , L. B. Weinstein , Eli Piasetzky

We have calculated the properties of nuclear matter in a self-consistent manner with quark-meson coupling mechanism incorporating structure of nucleons in vacuum through a relativistic potential model; where the dominant confining…

Nuclear Theory · Physics 2013-07-04 N. Barik , R. N. Mishra , D. K. Mohanty , P. K. Panda , T. Frederico

We present a new two-body finite-range and momentum-dependent but density-independent effective interaction, which can be interpreted as a regularized zero-range force. We show that no three-body or density-dependent terms are needed for a…

Nuclear Theory · Physics 2015-06-16 K. Bennaceur , J. Dobaczewski , F. Raimondi

We report a quantum Monte Carlo calculation of the equation of state of symmetric nuclear matter using local interactions derived from chiral effective field theory up to next-to-next-to-leading order fit to few-body observables only. The…

Nuclear Theory · Physics 2020-05-13 D. Lonardoni , I. Tews , S. Gandolfi , J. Carlson

Based on the standard Skyrme energy density functionals together with the extended Thomas-Fermi approach, the properties of symmetric and asymmetric nuclear matter represented in two macroscopic-microscopic mass formulas: Lublin-Strasbourg…

Nuclear Theory · Physics 2016-03-10 Ning Wang , Min Liu , Li Ou , Yingxun Zhang

Brueckner-Hartree-Fock theory allows to derive the $G$-matrix as an effective interaction between nucleons in the nuclear medium. It depends on the center of mass momentum $\bm{P}$ of the two particles and on the two relative momenta…

Nuclear Theory · Physics 2018-11-14 Hui Tong , Xiu-Lei Ren , Peter Ring , Shi-Hang Shen , Si-Bo Wang , Jie Meng

We propose a new strategy to search for a particular type of dark matter via nuclear capture. If the dark matter particle carries baryon number, as motivated by a class of theoretical explanations of the matter-antimatter asymmetry of the…

High Energy Physics - Phenomenology · Physics 2020-10-27 Bartosz Fornal , Benjamin Grinstein , Yue Zhao

We study nuclear symmetry energy and the thermodynamic instabilities of asymmetric nuclear matter in a self-consistent manner by using a modified quark-meson coupling model where the confining interaction for quarks inside a nucleon is…

Nuclear Theory · Physics 2015-12-16 R. N. Mishra , H. S. Sahoo , P. K. Panda , N. Barik , T. Frederico

From empirically determined values of some of the characteristic constants associated with homogeneous nuclear matter at saturation and sub-saturation densities, within the framework of a Skyrme-inspired energy density functional, we…

Nuclear Theory · Physics 2015-06-23 N. Alam , B. K. Agrawal , J. N. De , S. K. Samaddar , G. Colò

The relativistic structure of the self-energy of a nucleon in nuclear matter is investigated including the imaginary and real components which arise from the terms of first and second order in the NN interaction. A parameterized form of…

Nuclear Theory · Physics 2009-10-30 A. Trasobares , A. Polls , A. Ramos , H. Müther

Energy in nuclear matter is, in practice, completely characterized at different densities and asymmetries, when the density dependencies of symmetry energy and of energy of symmetric matter are specified. The density dependence of the…

Nuclear Theory · Physics 2008-11-26 Pawel Danielewicz , Jenny Lee
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