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Related papers: From nuclear matter to Neutron Stars

200 papers

Strange stars calculated from a realistic equation of state (EOS), that incorporate chiral symmetry restoration as well as deconfinement at high density show compact objects in the mass radius curve. We compare our calculations of…

High Energy Physics - Phenomenology · Physics 2009-11-07 Monika Sinha , Manjari Bagchi , Jishnu Dey , Mira Dey , Subharthi Ray , Siddhartha Bhowmick

Confronting theoretical models with observations of thermal radiation emitted by neutron stars is one of the most important ways to understand the properties of both, superdense matter in the interiors of the neutron stars and dense…

High Energy Astrophysical Phenomena · Physics 2015-12-25 A. Y. Potekhin , A. De Luca , J. A. Pons

This short review aims at giving a brief overview of the various states of matter that have been suggested to exist in the ultra-dense centers of neutron stars. Particular emphasis is put on the role of quark deconfinement in neutron stars…

Solar and Stellar Astrophysics · Physics 2014-08-04 Fridolin Weber , Gustavo A. Contrera , Milva G. Orsaria , William Spinella , Omair Zubairi

The study of the equation-of-state (EoS) describing the properties of nuclear matter away from the normal conditions is a relevant and intriguing topic of modern nuclear physics. The last decades have witnessed a substantial experimental…

Nuclear Experiment · Physics 2023-03-09 P. Russotto , M. D. Cozma , E. De Filippo , A. Le Fèvre , Y. Leifels , J. Łukasik

How does subatomic matter organize itself? Neutron stars are cosmic laboratories uniquely poised to answer this fundamental question that lies at the heart of nuclear science. Newly commissioned rare isotope facilities, telescopes operating…

Nuclear Theory · Physics 2019-12-25 Junjie Yang , J. Piekarewicz

We systematically study the observable properties of dark-matter admixed neutron stars, employing a realistic nuclear EOS in combination with self-interacting fermionic dark matter respecting constraints on the self-interaction cross…

Nuclear Theory · Physics 2024-10-23 Hong-Ming Liu , Jin-Biao Wei , Zeng-Hua Li , G. F. Burgio , H. C. Das , H. -J. Schulze

We study the equation of state (EOS) for dense matter in the core of the compact star with hyperons and calculate the star structure in an effective model in the mean field approach. With varying incompressibility and effective nucleon…

Nuclear Theory · Physics 2014-11-18 T. K. Jha , P. K. Raina , P. K. Panda , S. K. Patra

We review a variety of theoretical and experimental investigations aimed at improving our knowledge of the nuclear matter equation of state. Of particular interest are nuclear matter extreme states in terms of density and/or isospin…

Nuclear Theory · Physics 2015-05-18 Francesca Sammarruca

The profile of a neutron star probes a very large range of densities, from the density of iron up to several times the density of saturated nuclear matter, and thus no theory of hadrons can be considered reliable if extended to those…

Nuclear Theory · Physics 2025-05-20 Francesca Sammarruca , Tomiwa Ajagbonna

Neutron stars are compact objects of large interest in the nuclear astrophysics community. The extreme conditions present in such systems impose big challenges to our current microscopic models of nuclear structure. Equation of states (EoS)…

Nuclear Theory · Physics 2022-03-01 Ronaldo V. Lobato , Emanuel V. Chimanski , Carlos A. Bertulani

A short introduction is given to astrophysics of neutron stars and to physics of dense matter in neutron stars. Observed properties of astrophysical objects containing neutron stars are discussed. Current scenarios regarding formation and…

Astrophysics · Physics 2007-05-23 Marek Kutschera

Heavy-ion reactions provide a unique means to investigate the equation of state (EOS) of neutron-rich nuclear matter, especially the density dependence of the nuclear symmetry energy $E_{sym}(\rho)$. The latter plays an important role in…

Nuclear Theory · Physics 2008-11-26 Bao-An Li , Lie-Wen Chen , Che Ming Ko , Plamen G. Krastev , Andrew W. Steiner , Gao-Chan Yong

A pure nucleonic equation of state (EoS) for beta equilibrated charge neutral neutron star (NS) matter is determined using density dependent effective NN interaction. This EoS is found to satisfy both the constraints from the observed…

Nuclear Theory · Physics 2011-05-11 Partha Roy Chowdhury

We discuss the relativistic nuclear equation of state (EOS) using a relativistic transport model in heavy-ion collisions. From the baryon flow for $Au + Au$ systems at SIS to AGS energies and above we find that the strength of the vector…

Nuclear Theory · Physics 2009-11-06 P. K. Sahu

Models of neutron stars are considered in the case of a uniform density distribution. An algebraic equation, valid for any equation of state, is obtained. This equation allows one to find the approximate mass of a star of a given density…

High Energy Astrophysical Phenomena · Physics 2023-11-14 G. S. Bisnovatyi-Kogan , E. A. Patraman

The equation of state for neutron stars in a wide-density range at zero temperature is constructed. The chiral quark-meson coupling model within relativistic Hartree-Fock approximation is adopted for uniform nuclear matter. The coupling…

High Energy Astrophysical Phenomena · Physics 2013-10-15 Tsuyoshi Miyatsu , Sachiko Yamamuro , Ken'ichiro Nakazato

Gravity compresses the matter in the cores of neutron stars to densities which are significantly higher than the density of ordinary atomic nuclei, thus providing a high-pressure environment in which numerous particle processes - from the…

Astrophysics · Physics 2010-11-19 Fridolin Weber

The possibility of formation of a droplet phase (DP) inside a star and its consequences on the structural properties of the star are investigated. For nuclear matter (NM), an equation of state (EOS) based on finite range, momentum and…

Nuclear Theory · Physics 2009-10-30 V. S. Uma Maheswari , J. N. De , S. K. Samaddar

Massive neutron stars (NS) are expected to possess a quark core. While the hadronic side of the NS equation of state (EOS) can be considered well established, the quark side is quite uncertain. While calculating the EOS of hadronic matter…

Astrophysics · Physics 2009-11-07 G. F. Burgio , M. Baldo , P. K. Sahu , A. B. Santra , H. -J. Schulze

At present, the only experimental access to the properties of cold, dense strongly interacting matter is provided by astrophysical observations. Neutron stars are the only known systems in the Universe that reach densities several times…

High Energy Astrophysical Phenomena · Physics 2026-04-30 Gábor Kasza , János Takátsy , György Wolf
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