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Related papers: Symmetry Energy for Nuclei Beyond the Stability Va…

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We use a finite range simple effective interaction to construct nuclear equations of state for the study of the density dependence of the nuclear symmetry energy. The EoSs provide good descriptions of the nuclear symmetry energy at a…

Nuclear Theory · Physics 2020-12-01 D. Behera , S. K. Tripathy , T. R. Routray , B. Behera

The roles of isospin asymmetry in nuclei and neutron stars are investigated using a range of potential and field-theoretical models of nucleonic matter. The parameters of these models are fixed by fitting the properties of homogeneous bulk…

Nuclear Theory · Physics 2009-11-11 Andrew W. Steiner , Madappa Prakash , James M. Lattimer , Paul J. Ellis

The symmetry energy and its density dependence are pivotal for many nuclear physics and astrophysics applications, as they determine properties ranging from the neutron-skin thickness of nuclei to the crust thickness and the radius of…

Nuclear Theory · Physics 2021-12-16 Reed Essick , Philippe Landry , Achim Schwenk , Ingo Tews

Isospin asymmetric nuclear matter is introduced to V-QCD, a bottom-up holographic Quantum Chromodynamics (QCD) model. Using a small isospin chemical potential we extract the symmetry energy in the model, finding excellent agreement with…

High Energy Physics - Phenomenology · Physics 2025-09-25 Lorenzo Bartolini , Sven Bjarke Gudnason , Matti Järvinen

Pseudospin symmetry in nuclei is investigated by solving the Dirac equation with Woods-Saxon scalar and vector radial potentials. We relate the pseudospin interaction with a pseudospin-orbit term in a Schroedinger-like equation for the…

Nuclear Theory · Physics 2017-08-23 R. Lisboa , M. Malheiro , A. Delfino , P. Alberto , M. Fiolhais , M. Chiapparini

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

We have performed calculations based on the Skyrme energy density functional (EDF) that includes arbitrary mixing between protons and neutrons. In this framework, single-particle states are generalized as mixtures of proton and neutron…

Nuclear Theory · Physics 2016-01-18 Koichi Sato , Jacek Dobaczewski , Takashi Nakatsukasa , Wojciech Satuła

Using a density functional approach based on a Skyrme interaction, thermodynamic properties of finite nuclei are investigated at non-zero temperture. The role of a momentum dependent isovector term is now studied besides volume, symmetry,…

Nuclear Theory · Physics 2009-12-31 S. J. Lee , A. Z. Mekjian

This study uses classical molecular dynamics to simulate infinite nuclear matter and study the effect of isospin asymmetry on bulk properties such as energy per nucleon, pressure, saturation density, compressibility and symmetry energy. The…

Nuclear Theory · Physics 2014-02-26 J. A. López , E. Ramírez-Homs , R. González , R. Ravelo

We present microscopic calculations of light and medium mass nuclei and the equation of state of symmetric and asymmetric nuclear matter using different nucleon-nucleon forces, including a new Argonne version that has the same spin/isospin…

Nuclear Theory · Physics 2015-01-07 S. Gandolfi , A. Lovato , J. Carlson , Kevin E. Schmidt

Recent progress in quantum Monte Carlo with modern nucleon-nucleon interactions have enabled the successful description of properties of light nuclei and neutron-rich matter. As a demonstration, we show that the agreement between…

Nuclear Theory · Physics 2015-06-17 Stefano Gandolfi , Andrew W. Steiner

Effects of the isospin-symmetry breaking (ISB) beyond mean-field Coulomb terms are systematically studied in nuclear masses near the $N=Z$ line. The Coulomb exchange contributions are calculated exactly. We use extended Skyrme energy…

The parameters of the nuclear liquid drop model, such as the volume, surface, symmetry, and curvature constants, as well as bulk radii, are extracted from the non-relativistic and relativistic energy density functionals used in microscopic…

Nuclear Theory · Physics 2009-11-11 P. -G. Reinhard , M. Bender , W. Nazarewicz , T. Vertse

A density dependent, effective nucleon-nucleon force of the Skyrme type is derived from the quark-meson coupling model -- a self-consistent, relativistic quark level description of nuclear matter. This new formulation requires no assumption…

Nuclear Theory · Physics 2010-02-17 P. A. M. Guichon , H. H. Matevosyan , N. Sandulescu , A. W. Thomas

An experimentally constrained equation of state of neutron-rich matter is fundamental for the physics of nuclei and the astrophysics of neutron stars, mergers, core-collapse supernova explosions and the synthesis of heavy elements. To this…

Nuclear Theory · Physics 2018-01-03 T. Aumann , C. A. Bertulani , F. Schindler , S. Typel

The information on the symmetry energy and its density dependence is deduced by comparing the available data on the electric dipole polarizability $\alpha_D$ of ${}^{68}$Ni, ${}^{120}$Sn, and ${}^{208}$Pb with the predictions of the Random…

Nuclear Theory · Physics 2015-12-10 X. Roca-Maza , X. Viñas , M. Centelles , B. K. Agrawal , G. Colo' , N. Paar , J. Piekarewicz , D. Vretenar

The density dependence of the nuclear symmetry energy governs important aspects of very neutron rich systems such as heavy nuclei and their collisions, neutron stars and their mergers. Many analyses of experimental data have generated…

Nuclear Experiment · Physics 2018-05-29 W. G. Lynch , M. B. Tsang

The density dependence of nuclear symmetry energy $E_{\rm sym}(\rho)$ remains the most uncertain aspect of the equation of state (EOS) of supradense neutron-rich nucleonic matter. Implications of observational crustal fraction of neutron…

Nuclear Theory · Physics 2025-02-11 Nai-Bo Zhang , Bao-An Li

Neutron-skin thicknesses provide a sensitive probe of the isovector sector of the nuclear equation of state and its density dependence, commonly characterized by the symmetry-energy slope parameter L. A wide variety of experimental and…

Nuclear Theory · Physics 2026-02-05 A. Azizi , C. A. Bertulani , C. Davila

The nuclear binding energies for 28 nuclei including several isotopic chains with masses ranging from A=64 to A=226 were evaluated using the Skyrme effective nucleon-nucleon interaction and the Extended Thomas-Fermi approximation. The…

Nuclear Theory · Physics 2009-11-07 A. Dobrowolski , K. Pomorski , J. Bartel