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Related papers: Superfluidity in Neutron Star Matter

200 papers

Mature neutron stars are expected to contain various kinds of superfluids in their interiors. Modeling such stars requires the knowledge of the mutual entrainment couplings between the different condensates. We present a unified equation of…

High Energy Astrophysical Phenomena · Physics 2015-05-20 N. Chamel , J. M. Pearson , S. Goriely

Neutron stars have long been regarded as extra-terrestrial laboratories from which we can learn about extreme energy density matter at low temperatures. In this article, I highlight some of the recent advances made in astrophysical…

Solar and Stellar Astrophysics · Physics 2023-07-19 Madappa Prakash

Superfluid properties of the inner crust matter of neutron stars, formed by nuclear clusters immersed in a dilute neutron gas, are analysed in a self- consistent HFB approach. The calculations are performed with two pairing forces, fixed so…

Nuclear Theory · Physics 2009-11-10 N. Sandulescu , Nguyen Van Giai , R. J. Liotta

In this short paper, we argue the issue on dark matter capture in neutron stars. After summarizing the whole scenario and the introduction of previous studies along this line, we propose some potentially important effects due to the…

High Energy Physics - Phenomenology · Physics 2013-12-23 Motoi Tachibana , Marco Ruggieri

In this contribution we review the dynamics of hyperons with nucleons and nuclear matter, paying a special attention to hypernuclei. We also discuss the presence of hyperons in the inner core of neutron stars and the consequences for the…

Nuclear Theory · Physics 2022-02-16 Laura Tolos

Nonequilibrium conditions imposed by neutrino cooling through the liquid-solid transition lead to disorder in the solid crust of neutron stars. Disorder reduces the superfluid fraction, $\rho_s/\rho$, at densities above that of neutron…

High Energy Astrophysical Phenomena · Physics 2020-01-28 J. A. Sauls , N. Chamel , M. A. Alpar

With central densities way above the density of atomic nuclei, neutron stars contain matter in one of the densest forms found in the universe. Depending of the density reached in the cores of neutron stars, they may contain stable phases of…

Astrophysics · Physics 2010-12-06 Fridolin Weber , Matthew Meixner , Rodrigo P. Negreiros , Manuel Malheiro

In this work, masses and radii of neutron stars are considered to investigate the effect of nuclear symmetry energy to the astrophysical observables. A relativistic mean field model with density-dependent meson-baryon coupling constants is…

Nuclear Theory · Physics 2015-05-30 Chung-Yeol Ryu , Chang Ho Hyun , Chang-Hwan Lee

Recent developments in neutron star theory and observation are discussed. Based on modern nucleon-nucleon potentials more reliable equations of state for dense nuclear matter have been constructed. Furthermore, phase transitions such as…

Nuclear Theory · Physics 2010-11-19 H. Heiselberg

Neutrino-nucleus reactions as applied to astrophysics are reviewed.

Nuclear Theory · Physics 2010-12-28 K. Kubodera , S. Nozawa

From flow without dissipation of energy to the formation of vortices when placed within a rotating container, the superfluid state of matter has proven to be a very interesting physical phenomenon. Here we present the key mechanisms behind…

Quantum Gases · Physics 2020-12-09 Annette Lopez , Patrick Kelly , Kaelyn Dauer , Ettore Vitali

Neutron stars contain matter in one of the densest forms found in the Universe. This feature, together with the unprecedented progress in observational astrophysics, makes such stars superb astrophysical laboratories for a broad range of…

Astrophysics · Physics 2007-05-23 F. Weber , R. Negreiros , P. Rosenfield

Core of neutron star consists of highly dense matter above normal nuclear density, where phase transitions is expected to take place. We review some phase transitions and recent topics of neutron stars.

Nuclear Theory · Physics 2009-11-06 Masatomi Yasuhira

The role of hypernuclear physics for the physics of neutron stars is delineated. Hypernuclear potentials in dense matter control the hyperon composition of dense neutron star matter. The three-body interactions of nucleons and hyperons…

Astrophysics · Physics 2009-06-23 Jurgen Schaffner-Bielich

We describe recent progress in the numerical study of the structure of rapidly rotating superfluid neutron star models in full general relativity. The superfluid neutron star is described by a model of two interpenetrating and interacting…

General Relativity and Quantum Cosmology · Physics 2007-05-23 R. Prix , J. Novak , G. L. Comer

The interior of mature neutron stars is expected to contain superfluid neutrons and superconducting protons. The influence of temperature and currents on superfluid properties is studied within the self-consistent time-dependent nuclear…

Nuclear Theory · Physics 2026-05-21 Valentin Allard , Nicolas Chamel

We survey the current status of understanding of pairing and superfluidity of neutrons and protons in neutron stars from a theoretical perspective, with emphasis on basic physical properties. During the past two decades, the blossoming of…

Nuclear Theory · Physics 2015-04-15 A. Gezerlis , C. J. Pethick , A. Schwenk

In spite of the absence of viscous drag, the neutron superfluid permeating the inner crust of a neutron star cannot flow freely, and is entrained by the nuclear lattice similarly to laboratory superfluid atomic gases in optical lattices.…

High Energy Astrophysical Phenomena · Physics 2017-10-25 N. Chamel

We highlight recent developments in neutrino astrophysics. We discuss some of the connections with nuclear physics.

High Energy Physics - Phenomenology · Physics 2018-08-15 Maria Cristina Volpe

The neutron star starts to cool down shortly after its birth by emitting neutrinos. As it becomes cold enough, the Cooper pairs of neutrons are formed, triggering a superfluid transition. Previous studies on neutron superfluidity focused on…

Nuclear Theory · Physics 2025-09-10 Hao-Fu Zhu , Guo-Zhu Liu , Jing-Rong Wang , Xufen Wu