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Related papers: Magnetic fields in Neutron Stars

200 papers

Observations of magnetars and some of the high magnetic field pulsars have shown that their thermal luminosity is systematically higher than that of classical radio-pulsars, thus confirming the idea that magnetic fields are involved in…

Solar and Stellar Astrophysics · Physics 2015-06-16 Daniele Viganò , Nanda Rea , Jose A. Pons , Rosalba Perna , Deborah N. Aguilera , Juan A. Miralles

We conduct force-free simulations of a single neutron star undergoing orbital motion in flat spacetime, mimicking the trajectory of the star about the center of mass on a compact binary system. Our attention is focused on the kinetic energy…

High Energy Astrophysical Phenomena · Physics 2020-03-18 Federico Carrasco , Masaru Shibata

Magnetars are young and highly magnetized neutron stars which display a wide array of X-ray activity including short bursts, large outbursts, giant flares and quasi-periodic oscillations, often coupled with interesting timing behavior…

High Energy Astrophysical Phenomena · Physics 2017-08-30 Victoria M. Kaspi , Andrei Beloborodov

The magnetic properties of matter under extreme conditions are of particular importance to understanding the neutron star interior. One contributing factor to the magnetic field of a neutron star could be the ferromagnetic phase of nuclear…

Nuclear Theory · Physics 2010-06-30 J. P. W. Diener , F. G. Scholtz

We currently know about 30 magnetars: seemingly isolated neutron stars whose properties can be (in part) comprehended only acknowledging that they are endowed with magnetic fields of complex morphology and exceptional intensity-at least in…

High Energy Astrophysical Phenomena · Physics 2020-10-27 P. Esposito , N. Rea , G. L. Israel

Magnetars are neutron stars in which a strong magnetic field is the main energy source. About two dozens of magnetars, plus several candidates, are currently known in our Galaxy and in the Magellanic Clouds. They appear as highly variable…

High Energy Astrophysical Phenomena · Physics 2015-06-24 Sandro Mereghetti , Jose' Pons , Andrew Melatos

The inner crust of neutron stars hosts a rich variety of nuclear phenomena and provides a unique environment for exploring microscopic nuclear properties relevant to diverse astrophysical observations. Particularly magnetars, which possess…

Nuclear Theory · Physics 2026-02-05 Kenta Yoshimura , Kazuyuki Sekizawa

Apparent variability of the longitudinal magnetic fields in most stars is caused by rotation, which quantitavely changes projection of the magnetic field configuration on the line of sight. This is a purely geometrical effect and is not…

Solar and Stellar Astrophysics · Physics 2016-11-22 V. D. Bychkov , L. V. Bychkova , J Madej

Neutron stars are fascinating astrophysical objects immersed in strong gravitational and electromagnetic fields, at the edge of our current theories. These stars manifest themselves mostly as pulsars, emitting a timely very stable and…

High Energy Astrophysical Phenomena · Physics 2016-09-28 J. Pétri

Recently, neutron stars with very strong surface magnetic fields have been suggested as the site for the origin of observed soft gamma repeaters (SGRs). We investigate the influence of a strong magnetic field on the properties and internal…

Astrophysics · Physics 2009-10-31 In-Saeng Suh , G. J. Mathews

The configuration of the magnetic field in the interior of a neutron star is mostly unknown from observations. Theoretical models of the interior magnetic field geometry tend to be oversimplified to avoid mathematical complexity and tend to…

High Energy Astrophysical Phenomena · Physics 2020-10-07 Prasanta Bera , D. I. Jones , Nils Andersson

It is generally accepted that the non-linear, dynamical evolution of magnetic fields in the interior of neutron stars plays a key role in the explanation of the observed phenomenology. Understanding the transfer of energy between toroidal…

High Energy Astrophysical Phenomena · Physics 2020-01-13 Konstantinos N. Gourgouliatos , José A. Pons

The structure of an interior dipole magnetic field of neutron stars in $f(R)$ gravity is considered. For this purpose, the perturbative approaches are used when both the deviations from general relativity and the deformations of spherically…

General Relativity and Quantum Cosmology · Physics 2016-09-21 Elizat Bakirova , Vladimir Folomeev

The evolution of the magnetic field in an accreting neutron star is investigated using a fully general relativistic treatment and assuming that initially the currents supporting the field are completely confined to the crust. We find that…

Astrophysics · Physics 2009-10-31 Sushan Konar

Magnetic braking causes the spin-down of single stars as they evolve on the main sequence. Models of magnetic braking can also explain the evolution of close binary systems, including cataclysmic variables. The well-known period gap in the…

Solar and Stellar Astrophysics · Physics 2012-02-24 G. A. J. Hussain

This doctoral thesis investigates the long-term evolution of the strong magnetic fields within isolated neutron stars (NSs), the most potent magnetic objects in the universe. Their magnetic influence extends beyond their surface to…

High Energy Astrophysical Phenomena · Physics 2024-05-02 Clara Dehman

Massive stars are crucial building blocks of galaxies and the universe, as production sites of heavy elements and as stirring agents and energy providers through stellar winds and supernovae. The field of magnetic massive stars has seen…

Solar and Stellar Astrophysics · Physics 2015-05-27 Rolf Walder , Doris Folini , Georges Meynet

The study of long-term evolution of neutron star (NS) magnetic fields is key to understanding the rich diversity of NS observations, and to unifying their nature despite the different emission mechanisms and observed properties. Such…

Solar and Stellar Astrophysics · Physics 2016-01-27 J. G. Elfritz , J. A. Pons , N. Rea , K. Glampedakis , D. Viganò

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

We estimate the strength of the induced magnetic field due to the total induced magnetic moment of the anisotropic ($^3PF^2$) neutron superfluid interior of neutron stars. The induced magnetic field of the neutron stars is found as follows.…

Astrophysics · Physics 2007-05-23 Qiu-he Peng