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Related papers: Magnetised Neutron Stars : An Overview

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We explore the impact of magnetic field on neutrino-matter interactions in core-collapse supernova. We first derive the modified source terms for neutrino-nucleon scattering and neutrino absorption and emission processes in the moment…

High Energy Astrophysical Phenomena · Physics 2021-01-27 Takami Kuroda

We perform a series of two-dimensional magnetohydrodynamic simulations of supernova cores. Since the distributions of the angular momentum and the magnetic fields of strongly magnetized stars are quite uncertain, we systematically change…

Astrophysics · Physics 2010-11-19 Kei Kotake , Shoichi Yamada , Katsuhiko Sato

Neutron stars with strong magnetic fields are considered in the framework of f(R) gravity. In order to describe dense matter in magnetic field, the model with baryon octet interacting through $\sigma$$\rho$$\omega$-fields is used. The…

General Relativity and Quantum Cosmology · Physics 2015-06-19 Artyom V. Astashenok , Salvatore Capozziello , Sergei D. Odintsov

We study the impacts of magnetic field on the neutrino transport inside core-collapse supernovae (CCSNe). Magnetic field quantizes the momentum of electrons and positrons, resulting in the modification of weak-interaction cross sections and…

High Energy Astrophysical Phenomena · Physics 2024-05-21 Yudong Luo , Shuai Zha , Toshitaka Kajino

The dynamics of a binary neutron stars merger is governed by physics under the most extreme conditions, including strong spacetime curvature, ultra-high matter densities, luminous neutrino emission and the rapid amplification of the initial…

High Energy Astrophysical Phenomena · Physics 2025-09-17 Ricard Aguilera-Miret , Jan-Erik Christian , Stephan Rosswog , Carlos Palenzuela

Magnetic fields inside and around neutron stars are at the heart of pulsar magnetospheric activity. Strong magnetic fields are responsible for quantum effects, an essential ingredient to produce leptonic pairs and the subsequent broadband…

High Energy Astrophysical Phenomena · Physics 2017-11-08 Jérôme Pétri

We investigate the chiral magnetic instability in the crust of a neutron star as a potential mechanism for amplifying magnetic fields. This instability may become active when small deviations from chemical equilibrium are sustained over…

High Energy Astrophysical Phenomena · Physics 2024-08-13 Clara Dehman , José A. Pons

The strong magnetic fields of neutron stars are closely linked to their observed thermal, spectral, and timing properties, such as the distribution of spin periods and their derivatives. To understand the evolution of astrophysical…

High Energy Astrophysical Phenomena · Physics 2026-03-12 José A. Pons , Clara Dehman , Daniele Viganò

Neutrino oscillations, biased by the magnetic field, alter the shape of the neutrinosphere in a cooling protoneutron star emerging from the supernova collapse. The resulting anisotropy in the momentum of outgoing neutrinos can be the origin…

High Energy Physics - Phenomenology · Physics 2014-11-17 Alexander Kusenko , Gino Segre

A review of the neutrino conversion and oscillations among the two neutrino species (active and sterile) induced by strong twisting magnetic field is presented and implications to neutrinos in neutron star, supernova, the Sun and…

Astrophysics · Physics 2008-02-03 A. M. Egorov , G. G. Likhachev , A. I. Studenikin

The merger of two neutron stars may give birth to a long-lived hypermassive neutron star. If it harbours a strong magnetic field of magnetar strength, its spin-down could explain several features of short gamma-ray burst afterglows. The…

High Energy Astrophysical Phenomena · Physics 2017-08-23 Jerome Guilet , Andreas Bauswein , Oliver Just , Hans-Thomas Janka

Neutron stars are known to have strong magnetic fields reaching as high as $10^{15}$ Gauss, besides having strongly curved interior spacetime. So for computing an equation of state for neutron-star matter, the effect of magnetic field as…

General Relativity and Quantum Cosmology · Physics 2023-12-29 Golam Mortuza Hossain , Susobhan Mandal

The equation of state of neutron matter is affected by the presence of a magnetic field due to the intrinsic magnetic moment of the neutron. Here we study the equilibrium configuration of this system for a wide range of densities,…

Nuclear Theory · Physics 2014-10-15 R. Aguirre , E. Bauer , I. Vidaña

We study the effects of strong magnetic fields ($B> 10^{13}$~G) in the cross section for $\nu_e n\to p e$ scattering in the presence of a degenerate electron background. This can be relevant for the $\nu_e$ propagation in the proto-neutron…

High Energy Physics - Phenomenology · Physics 2009-10-30 Esteban Roulet

Neutron stars are the endpoint of the life of intermediate mass stars and posses in their cores matter in the most extreme conditions in the universe. Besides their extremes of temperature (found in proto-neutron stars) and densities,…

High Energy Astrophysical Phenomena · Physics 2018-06-07 R. O. Gomes , S. Schramm , V. Dexheimer

Neutrino emission drives neutron star cooling for the first several hundreds of years after its birth. Given the low energy ($\sim$ keV) nature of this process, one expects very few nonstandard particle physics contributions which could…

Astrophysics · Physics 2009-11-10 Prashanth Jaikumar , K. R. S. Balaji , Charles Gale

Neutron-star mergers are interesting for several reasons: they are proposed as the progenitors of short gamma-ray bursts, they have been speculated to be a site for the synthesis of heavy elements, and they emit gravitational waves possibly…

Nuclear Theory · Physics 2016-08-03 O. L. Caballero

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

We study the magnetic field generation in a neutron star within the model based on the magnetic field instability in the nuclear matter owing to the electron-nucleon parity violating interaction. We suggest that the growing magnetic field…

High Energy Astrophysical Phenomena · Physics 2015-10-16 Maxim Dvornikov , Victor B. Semikoz

Neutron stars have the strongest magnetic fields known anywhere in the Universe. In this review, I intend to give a pedagogical discussion of some of the related physics. Neutron stars exist because of Pauli's exclusion principle, in two…

Astrophysics · Physics 2008-02-18 Andreas Reisenegger