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Related papers: Anisotropic magnetized neutron star

200 papers

Neutron stars exhibit magnetic fields and densities far beyond those achievable in terrestrial laboratories, offering a natural probe of strongly interacting matter under extreme conditions. Using observationally anchored mass-radius…

Cosmology and Nongalactic Astrophysics · Physics 2026-01-13 Abriana Lyda , Prajwal MohanMurthy

We investigate the evolution of the magnetic field of isolated pulsars and of neutron stars in different kinds of binary systems, assuming the field to be originally confined to the crust. Our results for the field evolution in isolated…

Astrophysics · Physics 2009-10-30 Sushan Konar , Dipankar Bhattacharya

Soft Gamma-Ray Repeaters and Anomalous X-Ray Pulsars are extreme manifestations of the most magnetized neutron stars: magnetars. The phenomenology of their emission and spectral properties strongly support the idea that the magnetospheres…

High Energy Astrophysical Phenomena · Physics 2015-06-23 A. G. Pili , N. Bucciantini , L. Del Zanna

The main aim of this study is to examine the behaviour of physical parameters of an anisotropic compact star model demonstrating spherical symmetry in F(Q) modified gravity. To evaluate the behaviour and the stability of an anisotropic…

General Relativity and Quantum Cosmology · Physics 2025-05-26 Sat Paul , Jitendra Kumar , S. K. Maurya

We obtain the pressures and equations of state (EoS) of charged and neutral vector boson gases in a constant magnetic field. The axial symmetry imposed to the system by the field splits the pressures in the parallel and perpendicular…

High Energy Physics - Phenomenology · Physics 2018-04-03 G. Quintero Angulo , A. Pérez Martínez , H. Pérez Rojas

Relativistic, spherically symmetric configurations consisting of a gravitating magnetized anisotropic fluid are studied. For such configurations, we obtain static equilibrium solutions with an axisymmetric, poloidal magnetic field produced…

General Relativity and Quantum Cosmology · Physics 2015-03-03 Vladimir Folomeev , Vladimir Dzhunushaliev

Neutron stars host the strongest magnetic fields that we know of in the Universe. Their magnetic fields are the main means of generating their radiation, either magnetospheric or through the crust. Moreover, the evolution of the magnetic…

High Energy Astrophysical Phenomena · Physics 2022-01-24 Konstantinos N. Gourgouliatos , Davide De Grandis , Andrei Igoshev

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

In the mean field approximation of the relativistic $\sigma$-$\omega$-$\rho$ model, the magnetic fields are incorporated, and its influence on the properties of n-p-e neutron star matter are studied. When the strength of the magnetic field…

Astrophysics · Physics 2008-11-26 W. Chen , P. Q. Zhang , L. G. Liu

We study the evolution of magnetized and rigidly rotating neutron stars within a fully general relativistic implementation of ideal magnetohydrodynamics with no assumed symmetries in three spatial dimensions. The stars are modeled as…

General Relativity and Quantum Cosmology · Physics 2010-08-24 Steven L. Liebling , Luis Lehner , David Neilsen , Carlos Palenzuela

We investigate the quantum hadrodynamic equation of state for neutron stars (with and without including hyperons) in the presence of strong magnetic fields. The deduced masses and radii are consistent with recent observations of high mass…

High Energy Astrophysical Phenomena · Physics 2012-11-19 Chung-Yeol Ryu , Myung-Ki Cheoun , Toshitaka Kajino , Tomoyuki Maruyama , Grant J. Mathews

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

Spin polarized states in dense neutron matter with recently developed Skyrme effective interaction (BSk20 parametrization) are considered in the magnetic fields $H$ up to $10^{20}$ G at finite temperature. In a strong magnetic field, the…

Nuclear Theory · Physics 2015-02-02 A. A. Isayev , J. Yang

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

Magnetic fields play a crucial role in many astrophysical scenarios and, in particular, are of paramount importance in the emission mechanism and evolution of Neutron Stars (NSs). To understand the role of the magnetic field in compact…

High Energy Astrophysical Phenomena · Physics 2015-06-18 A. G. Pili , N. Bucciantini , L. Del Zanna

We investigate the emission of rotating magnetized neutron stars due to the acceleration and radiation of particles in the relativistic wind and in the magnetotail of the star. We consider that the charged particles are accelerated by…

Astrophysics · Physics 2009-11-11 M. M. Romanova , G. A. Chulsky , R. V. E. Lovelace

We study the cooling evolution of neutron stars with strong poloidal magnetic fields (with strength not far from observed values) using the full general relativity 2-dimensional \textit{Astreus} code, which solves consistently Einstein's…

High Energy Astrophysical Phenomena · Physics 2025-06-12 Rodrigo Negreiros , Jeffrey Peterson , Veronica Dexheimer

A substantial fraction of the known neutron stars resides in X-ray binaries -- systems in which one compact object accretes matter from a companion star. Neutron stars in X-ray binaries have magnetic fields among the highest found in the…

High Energy Astrophysical Phenomena · Physics 2015-06-23 Mikhail Revnivtsev , Sandro Mereghetti

We discuss torsional oscillations of highly magnetised neutron stars (magnetars) using two-dimensional, magneto-elastic-hydrodynamical simulations. Our model is able to explain both the low- and high-frequency quasi-periodic oscillations…

High Energy Astrophysical Phenomena · Physics 2018-03-21 Michael Gabler , Pablo Cerdá-Durán , Nikolaos Stergioulas , José A. Font , Ewald Müller

We solve the Einstein-Maxwell-Klein-Gordon system of equations and derive a compact, static axially symmetric magnetized object which is electrically neutral and made of two complex massive charged scalar fields. We describe several…

General Relativity and Quantum Cosmology · Physics 2022-11-23 Víctor Jaramillo , Darío Núñez