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The density dependence of the symmetry energy in the equation of state of isospin asymmetric nuclear matter is of significant importance for studying the structure of systems as diverse as the neutron-rich nuclei and the neutron stars. A…

Nuclear Experiment · Physics 2014-11-18 D. V. Shetty , S. J. Yennello , G. A. Souliotis

Using covariance analysis, we quantify the correlations between the interaction parameters in a transport model and the observables commonly used to extract information of the Equation of State of Asymmetric Nuclear Matter in experiments.…

Nuclear Theory · Physics 2015-09-30 Yingxun Zhang , M. B. Tsang , Zhuxia Li

Extrapolations from nuclei to neutron stars hinge on the symmetry term in nuclear binding formulas. The term describes reduction in the binding associated with neutron-proton (np) imbalance. Regrettably, binding formulas in the literature…

Nuclear Theory · Physics 2007-05-23 Pawel Danielewicz

The parabolic approximation to the equation of state of the isospin asymmetric nuclear matter (ANM) is widely used in the literature to make predictions for the nuclear structure and the neutron star properties. Based on the realistic…

Nuclear Theory · Physics 2014-03-04 W. M. Seif , D. N. Basu

We investigate the liquid-gas phase transition of hot protoneutron stars shortly after their birth following supernova explosion and the composition and structure of hyperon-rich (proto)neutron stars within a relativistic mean-field model…

Nuclear Theory · Physics 2010-12-02 Bharat K. Sharma , Subrata Pal

We employ an isospin dependent version of the QMD transport model to study the influence of the isospin dependent part of the nuclear matter equation of state and in-medium nucleon-nucleon cross-sections on the dynamics of heavy-ion…

Nuclear Theory · Physics 2011-09-23 M. D. Cozma

The recently published CREX results suggest a rather peculiar picture for the density dependence of the symmetry energy. Whereas PREX favors a large neutron skin thickness in $^{208}$Pb, thereby suggesting a stiff equation of state, CREX…

Nuclear Theory · Physics 2024-02-01 Brendan T. Reed , F. J. Fattoyev , C. J. Horowitz , J. Piekarewicz

The functional form of the nuclear symmetry energy in the whole range of densities relevant for the neutron stars is still unknown. Discrepancies concern both the low as well as the high density behaviour of this function. By use of Bezier…

Solar and Stellar Astrophysics · Physics 2012-06-21 Sebastian Kubis , David Edwin Alvarez-Castillo

Exploring nucleon drip lines and astrophysical rapid neutron capture process (r-process) paths in the nuclear landscape is extremely challenging in nuclear physics and astrophysics. While various models predict similar proton drip line,…

Nuclear Theory · Physics 2015-10-22 Rui Wang , Lie-Wen Chen

We study the localization of protons in the core of neutron stars for ten realistic nuclear models that share a common behaviour of nuclear symmetry energy which saturates and eventually decreases at high densities. This results in the low…

Astrophysics · Physics 2011-03-17 A. Szmaglinski , W. Wojcik , M. Kutschera

We investigate the impact of nuclear pasta on crustal structure and torsional oscillations using a Bayesian ensemble of unified neutron-star equations of state based on relativistic mean-field models constrained by nuclear experiments,…

Nuclear Theory · Physics 2026-02-24 Vishal Parmar , Ignazio Bombaci

We investigate the possibility of kaon condensation in the dense interior of neutron stars through the s--wave interaction of kaons with nucleons. We include nucleon--nucleon interactions by using simple parametrizations of realistic…

Nuclear Theory · Physics 2009-10-22 V. Thorsson , M. Prakash , J. M. Lattimer

We present a systematic survey the range of predictions of the neutron star inner crust composition, crust-core transition densities and pressures, and density range of the nuclear `pasta' phases at the bottom of the crust provided by the…

Solar and Stellar Astrophysics · Physics 2015-05-30 W. G. Newton , M. Gearheart , Bao-An Li

The symmetry energy, the neutron pressure and the asymmetric compressibility of deformed neutron-rich even-even nuclei are calculated on the examples of Kr and Sm isotopes within the coherent density fluctuation model using the symmetry…

Nuclear Theory · Physics 2015-06-05 M. K. Gaidarov , A. N. Antonov , P. Sarriguren , E. Moya de Guerra

The joint effect of the density dependence of the symmetry energy and strangeness content on the structure of cold neutron stars is studied within the framework of a relativistic mean field theory. It is shown that 2$M_\odot$ are obtained…

Nuclear Theory · Physics 2015-02-18 Daniel Bizarro , Aziz Rabhi , Constança Providência

Neutron stars contain neutron-rich matter with around 5% protons at nuclear saturation density. In this Letter, we consider equilibrium between bulk phases of matter based on asymmetric nuclear matter calculations using chiral effective…

Nuclear Theory · Physics 2024-06-11 J. Keller , K. Hebeler , C. J. Pethick , A. Schwenk

[Background] In our earlier work {\bf [Phys. Rev. C 104, 055804 (2021)]}, we studied the surface properties of a neutron star, assuming it as a huge finite nucleus containing protons, neutrons, electrons, and muons. For the first time, we…

Nuclear Theory · Physics 2022-04-21 Ankit Kumar , H. C. Das , Jeet Amrit Pattnaik , S. K. Patra

We study the effects of nuclear symmetry energy on the mass-radius relation and tidal deformability of neutron stars, considering the self-consistency of the equation of state (EOS). We first construct a set of unified EOSs based on…

Nuclear Theory · Physics 2019-10-15 Fan Ji , Jinniu Hu , Shishao Bao , Hong Shen

We address the issues of crustal properties of neutron stars such as crustal mass, crustal radius, crustal fraction of moment of inertia and investigate the crustal and structural properties related to the glitching mechanism observed in…

Nuclear Theory · Physics 2024-01-31 Joydev Lahiri , Debasis Atta , D. N. Basu

We study how the nuclear symmetry energy slope ($L$) can affect the hadron-quark phase transition and neutron star properties. We show that the main physical quantities as the critical chemical potential and pressure are strongly influenced…

High Energy Physics - Phenomenology · Physics 2024-04-03 Luiz L. Lopes , Debora P. Menezes , Mateus R. Pelicer