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Related papers: Neutron star cooling with a dynamic stellar struct…

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In this review, I present a brief summary of the impact of nucleon pairing at supra-nuclear densities on the cooling of neutron stars. I also describe how the recent observation of the cooling of the neutron star in the supernova remnant…

High Energy Astrophysical Phenomena · Physics 2017-08-23 Dany Page

Understanding the equation of state (EOS) of cold nuclear matter, namely, the relation between the pressure and energy density, is a central goal of nuclear physics that cuts across a variety of disciplines. Indeed, the limits of nuclear…

Nuclear Theory · Physics 2009-06-12 J. Piekarewicz

We study the oscillations of relativistic stars, incorporating key physics associated with internal composition, thermal gradients and crust elasticity. Our aim is to develop a formalism which is able to account for the state-of-the-art…

General Relativity and Quantum Cosmology · Physics 2015-09-16 C. J. Krüger , W. C. G. Ho , N. Andersson

Despite the absence of viscous drag, the neutron superfluid permeating the inner crust of a neutron star can still be strongly coupled to nuclei due to non-dissipative entrainment effects. Neutron superfluidity and entrainment have been…

High Energy Astrophysical Phenomena · Physics 2012-07-02 N. Chamel , J. M. Pearson , S. Goriely

We present a brief, observational review about the study of the cooling behaviour of accretion-heated neutron stars and the inferences about the neutron-star crust and core that have been obtained from these studies. Accretion of matter…

High Energy Astrophysical Phenomena · Physics 2017-09-22 Rudy Wijnands , Nathalie Degenaar , Dany Page

We consider models of cooling neutron stars with nucleon cores which possess moderately strong triplet-state superfluidity of neutrons. When the internal temperature drops below the maximum of the critical temperature over the core, $T_{\rm…

Solar and Stellar Astrophysics · Physics 2014-12-15 P. S. Shternin , D. G. Yakovlev

We study the thermal structure of neutron stars with magnetized envelopes composed of accreted material, using updated thermal conductivities of plasmas in quantizing magnetic fields, as well as equation of state and radiative opacities for…

Astrophysics · Physics 2009-11-07 A. Y. Potekhin , D. G. Yakovlev , G. Chabrier , O. Y. Gnedin

A fully self-consistent model of the neutron star inner crust based upon models of the nucleonic equation of state at zero temperature is constructed. The results nearly match those of previous calculations of the inner crust given the same…

Nuclear Theory · Physics 2008-11-26 Andrew W. Steiner

A neutron star is born as a hot, lepton-rich protoneutron star (PNS) and cools via neutrino emission, eventually allowing heavy ions in the outer layers to crystallize into a solid crust. We develop a simple analytic estimate for the onset…

High Energy Astrophysical Phenomena · Physics 2026-05-27 Yudai Suwa , Ken'ichiro Nakazato

We study the cooling of hybrid stars coupling with spin-down. Due to the spin-down of hybrid stars, the interior density continuously increases, different neutrino reactions may be triggered(from the modified Urca process to the quark and…

High Energy Astrophysical Phenomena · Physics 2014-11-20 Kang Miao , Wang Xiao-Dong , Pan Na-Na

The spin rate \Omega of neutron stars at a given temperature T is constrained by the interplay between gravitational-radiation instabilities and viscous damping. Navier-Stokes theory has been used to calculate the viscous damping timescales…

General Relativity and Quantum Cosmology · Physics 2009-10-31 Vahid Rezania , Roy Maartens

Formation and decay of rod-like and slab-like nuclei, as may be encountered in the outer parts of neutron stars, are examined within a zero-temperature stability analysis with respect to perturbations inducing fission and proton clustering.…

Nuclear Theory · Physics 2009-11-07 Kei Iida , Gentaro Watanabe , Katsuhiko Sato

The upper limit of the effective surface temperature of the neutron star (NS) PSR J0205+6449 in the supernova remnant 3C 58 obtained recently by Slane et al. (2002) is analyzed using a modern theory of NS cooling (Kaminker et al. 2002). The…

Astrophysics · Physics 2009-11-07 D. G. Yakovlev , A. D. Kaminker , P. Haensel , O. Y. Gnedin

We present 2D simulations of the cooling of neutron stars with strong magnetic fields (B \geq 10^{13} G). We solve the diffusion equation in axial symmetry including the state of the art microphysics that controls the cooling such as…

Astrophysics · Physics 2007-10-26 Deborah N. Aguilera , Jose A. Pons , Juan A. Miralles

The implications of hyperon pairing for the thermal evolution of neutron stars containing hyperons are investigated. The outcome of cooling simulations are compared for neutron star models composed only of nucleons and leptons, models…

Astrophysics · Physics 2009-10-30 Christoph Schaab , Shmuel Balberg , Juergen Schaffner-Bielich

The current picture of the collapse and explosion of massive stars and the formation of neutron stars is reviewed. According to the favored scenario, however by no means proven and undisputed, neutrinos deposit the energy of the explosion…

Astrophysics · Physics 2010-11-19 H. -Th. Janka , K. Kifonidis , M. Rampp

The observed rapid cooling of the Cassiopeia A neutron star (Cas A NS) can be interpreted as being triggered by the onset of neutron superfluidity in the core of the star, causing enhanced neutrino emission from neutron Cooper pair breaking…

High Energy Astrophysical Phenomena · Physics 2015-10-26 Lev B. Leinson

The cooling phase of thermonuclear (type-I) X-ray bursts can be used to constrain the neutron star (NS) compactness by comparing the observed cooling tracks of bursts to accurate theoretical atmosphere model calculations. By applying the…

High Energy Astrophysical Phenomena · Physics 2016-06-08 J. Nättilä , A. W. Steiner , J. J. E. Kajava , V. F. Suleimanov , J. Poutanen

The past years have witnessed tremendous progress in understanding the properties of neutron stars and of the dense matter in their cores, made possible by electromagnetic observations of neutron stars and the detection of gravitational…

Neutron stars that are cold enough should have two or more superfluids/supercondutors in their inner crusts and cores. The implication of superfluidity/superconductivity for equilibrium and dynamical neutron star states is that each…

General Relativity and Quantum Cosmology · Physics 2009-11-10 G. L. Comer