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Related papers: Exotic Phases in Magnetars

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We investigate the influence of a strong magnetic field on various properties of neutron stars with quark-hadron phase transition. The one-gluon exchange contribution in a magnetic field is calculated in a relativistic Dirac-Hartree-Fock…

Astrophysics · Physics 2009-10-30 Debades Bandyopadhyay , Somenath Chakrabarty , Subrata Pal

In the present work, we consider nuclear matter in the innermost crust of neutron stars under the presence of a strong magnetic field within the framework of a relativistic mean-field description. Two models with a different slope of the…

Nuclear Theory · Physics 2022-03-09 Xiaopeng Wang , Jing Li , Jianjun Fang , Helena Pais , Constança Providência

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

We discuss effects of magnetic fields on proto-neutron star winds by performing numerical simulation. We assume that the atmosphere of proto-neutron star has a homogenous magnetic field (ranging from ~10^{12} G to ~10^{15} G) perpendicular…

Astrophysics · Physics 2016-08-30 Hirotaka Ito , Shoichi Yamada , Kohsuke Sumiyoshi , Shigehiro Nagataki

The role of magnetic field decay in normal radio pulsars is still debated. In this paper we present results which demonstrate that an episode of magnetic field decay in hot young neutron stars can explain anomalous values of braking indices…

High Energy Astrophysical Phenomena · Physics 2021-03-31 A. P. Igoshev , S. B. Popov

Isolated Neutron Stars are known to be endowed with extreme magnetic fields, whose maximum intensity ranges from 10^12 to 10^15 G, which permeates their magnetospheres. Their surrounding environment is also strongly magnetised, especially…

High Energy Astrophysical Phenomena · Physics 2018-02-01 R. P. Mignani

We investigate the evolution of the chiral magnetic instability in a protoneutron star and compute the resulting magnetic power and helicity spectra. The instability may act during the early cooling phase of the hot protoneutron star after…

High Energy Astrophysical Phenomena · Physics 2016-01-18 Günter Sigl , Natacha Leite

Neutron stars are extremely strong cosmic magnets which fields are expected to decay with time. Here we report on the simple test of this process. Adopting a novel approach, we have estimated surface magnetic fields $B$ for 76 radiopulsars…

High Energy Astrophysical Phenomena · Physics 2018-01-01 Anton Biryukov , Artyom Astashenok , Sergey Karpov , Gregory Beskin

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

Using high-resolution AthenaK simulations of a twisted toroidal flux tube, we study the flux emergence of magnetic structures in the shear layer of a hot massive neutron star typical of a binary neutron star remnant. High-resolution…

High Energy Astrophysical Phenomena · Physics 2026-02-26 Jacob Fields , David Radice , Peter Hammond

Neutron stars enable us to study both the highest densities and the highest magnetic fields in the known Universe. In this article I review what can be learned about such fundamental physics using magnetar bursts. Both the instability…

High Energy Astrophysical Phenomena · Physics 2012-06-26 Anna L. Watts

In this paper we present a new result, namely that the primal magnetic field of the collapsed core during a supernova explosion will, as a result of the conservation of magnetic flux, receive a massive boost to more than 90 times its…

Astrophysics · Physics 2008-11-26 Qiu-he Peng , Hao Tong

Neutron stars are natural physical laboratories allowing us to study a plethora of phenomena in extreme conditions. In particular, these compact objects can have very strong magnetic fields with non-trivial origin and evolution. In many…

High Energy Astrophysical Phenomena · Physics 2021-09-14 Andrei P. Igoshev , Sergei B. Popov , Rainer Hollerbach

It is commonly believed that neutron stars exceeding the maximum mass limit for stability could be formed in the aftermath of binary neutron star mergers, enjoying a short life of metastability before losing centrifugal support and…

High Energy Astrophysical Phenomena · Physics 2022-04-06 Arthur G Suvorov , Kostas Glampedakis

Various types of magnetic fields occur in stars: small scale fields, large scale fields, and internal toroidal fields. While the latter may be ubiquitous in stars due to differential rotation, small scale fields (spots) may be associated…

Solar and Stellar Astrophysics · Physics 2015-06-18 N. Langer

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

We discuss the Bose-Einstein condensation of relativistic vector charged particles in a strong external magnetic field in very dense matter, as may be paired spin-up electrons. We show that for electrons such systems may maintain…

Astrophysics · Physics 2007-05-23 H. Perez Rojas , A. Perez Martinez , H. Mosquera Cuesta

Magnetars are neutron stars (NSs) with extreme magnetic fields of strength $5 \times 10^{13}$ - $10^{15}$ G. They exhibit transient, highly energetic events, such as short X-ray flashes, bursts and giant flares, all of which are powered by…

High Energy Astrophysical Phenomena · Physics 2020-10-20 Andrei P. Igoshev , Rainer Hollerbach , Toby Wood , Konstantinos N. Gourgouliatos

Neutron stars are some of the densest manifestations of massive objects in the universe. They are ideal astrophysical laboratories for testing theories of dense matter physics and provide connections among nuclear physics, particle physics…

Astrophysics · Physics 2011-05-05 J. M. Lattimer , M. Prakash

In the last few years it has been recognized that two apparently distinct classes of peculiar high-energy sources are actually related and can be explained as young neutron stars with magnetic fields as high as 10e14 - 10e15 Gauss. One of…

Astrophysics · Physics 2007-05-23 Sandro Mereghetti