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Gravitational-wave observations in the near future may allow us to measure tidal deformabilities of neutron stars, which leads us to the understanding of physics at nuclear density. In principle, the gravitational waveform depends on…

General Relativity and Quantum Cosmology · Physics 2018-06-06 Kent Yagi

We conduct a systematic investigation of the influence of the nuclear symmetry energy on the proposed neutron decay into dark matter particles within the cores of neutron stars. Unlike the majority of previous studies that considered only…

Nuclear Theory · Physics 2025-09-01 M. Divaris , Ch. C. Moustakidis

According to the Hugenholtz-Van Hove theorem, the symmetry energy and its density slope can be decomposed uniquely in terms of the single-nucleon potential in asymmetric nuclear matter which, at normal density, can be constrained by the…

Nuclear Theory · Physics 2014-07-02 Xiao-Hua Li , Bao-Jun Cai , Lie-Wen Chen , Rong Chen , Bao-An Li , Chang Xu

We discuss the role of dynamical tidal effects for inspiralling neutron star binaries, focussing on features that may be considered "unmodelled" in gravitational-wave searches. In order to cover the range of possibilities, we consider i)…

High Energy Astrophysical Phenomena · Physics 2018-01-31 N. Andersson , W. C. G. Ho

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

The impact of the symmetry energy on the properties of compact stars is analyzed considering constraints from nuclear physics and astrophysics. A compact star can be a neutron star composed only of nuclear matter or a hybrid star with a…

Nuclear Theory · Physics 2026-01-27 H. Güven , K. Bozkurt , E. Khan , J. Margueron

The symmetry energy effects on the location of the inner edge of neutron star crusts are studied. Three phenomenological models are employed in order to check the accuracy of the well known parabolic approximation of the equation of state…

Nuclear Theory · Physics 2012-06-22 Ch. C. Moustakidis

We examine how nuclear masses are related to the density dependence of the symmetry energy. Using a macroscopic nuclear model we calculate nuclear masses in a way dependent on the equation of state of asymmetric nuclear matter. We find by…

Nuclear Theory · Physics 2010-05-12 Kazuhiro Oyamatsu , Kei Iida

Ground-based gravitational wave detectors may be able to constrain the nuclear equation of state using the early, low frequency portion of the signal of detected neutron star - neutron star inspirals. In this early adiabatic regime, the…

Astrophysics · Physics 2008-12-18 Eanna E. Flanagan , Tanja Hinderer

High density behaviour of nuclear symmetry energy is studied on the basis of a stiffest density dependence of asymmetric contribution to energy per nucleon in charge neutral $n+p+e+\mu$ matter under beta equilibrium. The density dependence…

General Physics · Physics 2016-11-09 B Behera , T R Routray , S K Tripathy

The nuclear symmetry energy, which describes the energy difference of per proton and neutron in nuclear matter, has been extensively studied within the last two decades. Around saturation density, both the value and the slope of the nuclear…

Nuclear Theory · Physics 2020-07-21 Gao-Chan Yong , Ya-Fei Guo

Recent observations of neutron-star properties, in particular the recent detection of gravitational waves emitted from binary neutron stars, GW 170817, open the way to put strong constraints on nuclear interactions. In this paper, we review…

Nuclear Theory · Physics 2019-09-25 S. Gandolfi , J. Lippuner , A. W. Steiner , I. Tews , X. Du , M. Al-Mamun

GW170817, the milestone gravitational-wave event originated from a binary neutron star merger, has allowed scientific community to place a constraint on the equation of state of neutron stars by extracting the leading-order,…

General Relativity and Quantum Cosmology · Physics 2018-12-19 Xisco Jimenez-Forteza , Tiziano Abdelsalhin , Paolo Pani , Leonardo Gualtieri

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

Hydrodynamic turbulence driven by crust-core differential rotation imposes a fundamental noise floor on gravitational wave observations of neutron stars. The gravitational wave emission peaks at the Kolmogorov decoherence frequency which,…

High Energy Astrophysical Phenomena · Physics 2015-06-15 Paul D. Lasky , Mark F. Bennett , Andrew Melatos

Asymmetric nuclear matter is treated in the formalism of Dirac-Brueckner approach with Bonn one-boson-exchange nucleon-nucleon interaction. We extract the symmetry energy coefficient at the saturation to be about 31 MeV, which is in good…

Nuclear Theory · Physics 2007-05-23 C. -H. Lee , T. T. S. Kuo , G. Q. Li , G. E. Brown

Dynamical tidal deformations play a crucial role in the gravitational waves emitted by binary neutron star systems during their late inspiral. In this work, we systematically explore how relativistic (dynamical and dissipative) tidal…

General Relativity and Quantum Cosmology · Physics 2026-03-31 Abhishek Hegade K. R. , Yumu Yang , Mauricio Hippert , Jacquelyn Noronha-Hostler , Jorge Noronha , Nicolás Yunes

Neutron star observations, including direct mass and radius measurements as well as the analysis of gravitational wave signals emitted by stellar mergers, provide valuable and unique insights into the properties of strongly interacting…

Nuclear Theory · Physics 2019-02-20 Aleksi Vuorinen

We propose a density-dependent function for the attractive interaction in the original van der Waals model to correctly describe the flow constraint at the high-density regime of the symmetric nuclear matter. After a generalization to…

Nuclear Theory · Physics 2021-02-16 O. Lourenço , M. Dutra , C. H. Lenzi , M. Bhuyan , S. K. Biswal , B. M. Santos

The density dependence of the symmetry energy in the equation of state of asymmetric nuclear matter (N/Z $>$ 1) is important for understanding the structure of systems as diverse as the atomic nuclei and neutron stars. Due to a proper lack…

Nuclear Experiment · Physics 2009-11-11 D. V. Shetty , S. J. Yennello , G. A. Souliotis