English
Related papers

Related papers: Joule heating in high magnetic field pulsars

200 papers

We investigate the effects of strong magnetic fields upon the gross properties of neutron and protoneutron stars. In our calculations, the neutron star matter was approximated by the pure neutron matter. Using the lowest order constrained…

Solar and Stellar Astrophysics · Physics 2015-06-11 Gholam Hossein Bordbar , Zeinab Rezaei

Neutron stars can provide new insight into dark matter properties, as these dense objects capture dark matter particles very efficiently. It has recently been shown that the energy transfer in the dark matter capture process can lead to…

High Energy Physics - Phenomenology · Physics 2018-09-13 Nicole F. Bell , Giorgio Busoni , Sandra Robles

We study the relative importance of several recent updates of microphysics input to the neutron star cooling theory and the effects brought about by superstrong magnetic fields of magnetars, including the effects of the Landau quantization…

High Energy Astrophysical Phenomena · Physics 2018-06-13 A. Y. Potekhin , G. Chabrier

In the present work we study the effects of strongly quantizing magnetic fields and finite temperature on the properties of inner crusts of hot neutron stars. The inner crust of a neutron star contains neutron-rich nuclei arranged in a…

Nuclear Theory · Physics 2021-08-18 Rana Nandi , Somnath Mukhopadhyay , Sarmistha Banik

The high quiescent X-ray luminosity observed in some magnetars is widely attributed to the decay and evolution of their ultra-strong magnetic fields. Several dissipation mechanisms have been proposed, each operating with different…

High Energy Astrophysical Phenomena · Physics 2025-05-27 N. A. Moraga , F. Castillo , D. D. Ofengeim , A. Reisenegger , J. A. Valdivia , M. E. Gusakov , E. M. Kantor , A. Y. Potekhin

The Vlasov equation is used to determine the dispersion relation for the eigenmodes of magnetized nuclear and neutral stellar matter, taking into account the anomalous magnetic moment of nucleons. The formalism is applied to the…

High Energy Astrophysical Phenomena · Physics 2017-04-26 Jianjun Fang , Helena Pais , Sagar Pratapsi , Sidney Avancini , Jing Li , Constança Providência

The observed value of the muon magnetic dipole moment, which deviates from the Standard Model prediction by $4.2\sigma$, can be explained in models with weakly-interacting massive particles (WIMPs) coupled to muons. However, a considerable…

High Energy Physics - Phenomenology · Physics 2022-04-19 Koichi Hamaguchi , Natsumi Nagata , Maura E. Ramirez-Quezada

Observations of soft X-ray transients in quiescence suggest the existence of heat sources in the crust of accreting neutron stars. Heat is thought to be released by electroweak and nuclear processes triggered by the burying of ashes of…

High Energy Astrophysical Phenomena · Physics 2018-12-12 A. F. Fantina , J. L. Zdunik , N. Chamel , J. M. Pearson , P. Haensel , S. Goriely

The strong magnetic field of neutron stars is intimately coupled to the observed temperature and spectral properties, as well as to the observed timing properties (distribution of spin periods and period derivatives). Thus, a proper…

High Energy Astrophysical Phenomena · Physics 2019-12-23 José A. Pons , Daniele Viganò

The detection of likely thermal ultraviolet emission from a few old neutron stars suggests that at least one internal heating mechanism is present in these stars. One proposed mechanism is rotochemical heating, in which the continuous…

High Energy Astrophysical Phenomena · Physics 2026-01-27 Luis E. Rodríguez , Andreas Reisenegger , Denis González-Caniulef , Cristóbal Petrovich

We study the relation between the mean effective surface temperature T_s and the internal temperature T_b for magnetic neutron stars, assuming that the magnetic field near the surface has a presumably small-scale structure. The…

Astrophysics · Physics 2007-05-23 A. Y. Potekhin , V. Urpin , G. Chabrier

Determination of a magnetic field structure on a neutron star (NS) surface is an important problem of a modern astrophysics. In a presence of strong magnetic fields a thermal conductivity of a degenerate matter is anisotropic. In this paper…

High Energy Astrophysical Phenomena · Physics 2020-08-05 Ilya A. Kondratyev , Sergey G. Moiseenko , Gennady S. Bisnovatyi-Kogan , Maria V. Glushikhina

We study ambipolar diffusion in strongly magnetised neutron stars, with special focus on the effects of neutrino reaction rates and the impact of a superfluid/superconducting transition in the neutron star core. For axisymmetric magnetic…

High Energy Astrophysical Phenomena · Physics 2017-01-25 Andrea Passamonti , Taner Akgün , José A. Pons , Juan A. Miralles

In association with the Goldreich-Julian's magnetic braking mechanism to explain the luminosity of radio pulsars as a result of their spin-down, it is of some interest to explore how much of magnetic flux can actually penetrate the surface…

Astrophysics · Physics 2007-05-23 Hongsu Kim , Hyung Mok Lee , Chul H. Lee , Hyun Kyu Lee

The temperature in the crust of an accreting neutron star, which comprises its outermost kilometer, is set by heating from nuclear reactions at large densities, neutrino cooling, and heat transport from the interior. The heated crust has…

We describe a new method to incorporate thermonuclear heating in the envelope of accreting neutron star into long term simulations of their thermal evolution. We obtain boundary conditions for the heat exchange between the envelope and the…

High Energy Astrophysical Phenomena · Physics 2025-09-01 Martin Nava-Callejas , Dany Page , Yuri Cavecchi

We describe a sample of thermally emitting neutron stars discovered in the ROSAT All-Sky Survey. We discuss the basic observational properties of these objects and conclude that they are nearby, middle-aged pulsars with moderate magnetic…

Astrophysics · Physics 2009-06-23 D. L. Kaplan

We review the nuclear and condensed matter physics underlying the thermal and transport properties of the neutron star inner crust. These properties play a key role in interpreting transient phenomena such as thermal relaxation in accreting…

Nuclear Theory · Physics 2012-01-27 Dany Page , Sanjay Reddy

Observations of thermal radiation from neutron stars allow one to measure the surface temperatures and confront them with cooling scenarios. Detection of gravitationally redshifted spectral lines can yield the mass-to-radius ratio. In the…

Astrophysics · Physics 2007-05-23 G. G. Pavlov , V. E. Zavlin

Isospin-equilibrating weak processes, called ``Urca" processes, are of fundamental importance in astrophysical environments like (proto-)neutron stars, neutron star mergers, and supernovae. In these environments, matter can reach high…

Nuclear Theory · Physics 2025-04-18 Pranjal Tambe , Debarati Chatterjee , Mark Alford , Alexander Haber