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Related papers: Magnetic fields in Neutron Stars

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We review the current state of knowledge of magnetic fields inside stars, concentrating on recent developments concerning magnetic fields in stably stratified (zones of) stars, leaving out convective dynamo theories and observations of…

Solar and Stellar Astrophysics · Physics 2017-04-11 J. Braithwaite , H. C. Spruit

The presence of a strong magnetic field is a feature common to a significant fraction of degenerate stars, yet little is understood about field origin and evolution. New observational constraints from volume-limited surveys point to a more…

Solar and Stellar Astrophysics · Physics 2022-08-24 Stefano Bagnulo , John D. Landstreet

This paper intends to give a broad overview of the present knowledge about neutron star magnetic fields, their origin and evolution. An up-to-date overview of the rich phenomenology (encompassing ``classical'' and millisecond radio pulsars,…

Astrophysics · Physics 2007-05-23 Andreas Reisenegger

Strange quark matter could be found in the core of neutron stars or forming strange quark stars. As is well known, these astrophysical objects are endowed with strong magnetic fields which affect the microscopic properties of matter and…

Astrophysics · Physics 2008-12-18 R. Gonzalez Felipe , A. Perez Martinez , H. Perez Rojas , M. Orsaria

We derive general equations for axisymmetric Newtonian MHD and use these as the basis of a code for calculating equilibrium configurations of rotating magnetised neutron stars in a stationary state. We investigate the field configurations…

Solar and Stellar Astrophysics · Physics 2012-02-10 S. K. Lander , D. I. Jones

In the last few years considerable observational resources have been devoted to study the thermal emission from isolated neutron stars. Detailed XMM and Chandra observations revealed a number of features in the X-ray pulse profile, like…

Astrophysics · Physics 2009-11-10 Silvia Zane , Roberto Turolla

Covariant density functional theory is used to study the effect of strong magnetic fields, up to the limit predicted for neutron stars (for magnetars $B \approx10^{18}$G), on nuclear structure. All new terms in the equation of motion…

Nuclear Theory · Physics 2015-05-28 Daniel Pena Arteaga , Marcella Grasso , Elias Khan , Peter Ring

Highly magnetized neutron stars are promising candidates to explain some of the most peculiar astronomical phenomena, for instance, fast radio bursts, gamma-ray bursts, and superluminous supernovae. Pulsations of these highly magnetized…

High Energy Astrophysical Phenomena · Physics 2023-03-13 Man Yin Leung , Anson Ka Long Yip , Patrick Chi-Kit Cheong , Tjonnie Guang Feng Li

In this work, we study in detail the effects of many-body forces on the equation of state and the structure of magnetic neutron stars. The stellar matter is described within a relativistic mean field formalism that takes into account…

Nuclear Theory · Physics 2017-11-29 R. O. Gomes , B. Franzon , V. Dexheimer , S. Schramm

In this work, we expand on a previously reported realistic calculation of the magnetic field profile for the equation of state inside strongly magnetized neutron stars. In addition to showing that magnetic fields increase quadratically with…

High Energy Astrophysical Phenomena · Physics 2018-01-10 V. Dexheimer , B. Franzon , R. O. Gomes , R. L. S. Farias , S. S. Avancini , S. Schramm

We review the results in our recent works on the generation of strong magnetic fields in compact stars driven by the parity violating electroweak interactions between background fermions. The cases of a neutron star, a hybrid star, and a…

High Energy Astrophysical Phenomena · Physics 2017-12-21 Maxim Dvornikov

The equations of state for degenerate electron and neutron gases are studied in the presence of magnetic fields. After including quantum effects to study the structural properties of these systems, it is found that some hypermagnetized…

We continue the study of the effects of a strong magnetic field on the temperature distribution in the crust of a magnetized neutron star (NS) and its impact on the observable surface temperature. Extending the approach initiated in Geppert…

Astrophysics · Physics 2009-11-11 U. Geppert , M. Kueker , Dany Page

Sharp phase transitions described by stiff equations of state allow for the existence of a third family of stable compact stars (besides white dwarfs and neutron stars), twin stars. In this work, we investigate for the first time the role…

Nuclear Theory · Physics 2019-03-06 R. O. Gomes , V. Dexheimer , S. Han , S. Schramm

We study Maxwell equations in the external background spacetime of a slowly rotating magnetized NUT star and find analytical solutions for the exterior electric fields after separating the equations of electric field into angular and radial…

Solar and Stellar Astrophysics · Physics 2011-11-01 Bobomurat J. Ahmedov , Avas V. Khugaev , Ahmadjon A. Abdujabbarov

We construct general relativistic models of stationary, strongly magnetized neutron stars. The magnetic field configuration, obtained by solving the relativistic Grad-Shafranov equation, is a generalization of the twisted torus model…

Solar and Stellar Astrophysics · Physics 2015-05-18 R. Ciolfi , V. Ferrari , L. Gualtieri

We present models of temperature distribution in the crust of a neutron star in the presence of a strong toroidal component superposed to the poloidal component of the magnetic field. The presence of such a toroidal field hinders heat flow…

Astrophysics · Physics 2008-11-26 Dany Page , Ulrich Geppert , Manfred Kueker

Extremely strong magnetic fields change the vacuum index of refraction. This induces a lensing effect that is not unlike the lensing phenomenon in strong gravitational fields. The main difference between the two is the polarization…

Astrophysics · Physics 2009-10-31 Nir J. Shaviv , Jeremy S. Heyl , Yoram Lithwick

Our Universe is full of regions where extreme physical conditions are realized. Among the most intriguing cases are the so-called magnetars: neutron stars with very dense cores and super-strong magnetic fields. In this paper I review the…

High Energy Physics - Phenomenology · Physics 2009-12-15 Vivian de la Incera

We present two-dimensional simulations for the cooling of neutron stars with strong magnetic fields (B > 1e13 Gauss). We study how the cooling curves are influenced by magnetic field decay. We show that the Joule heating effects are very…

Astrophysics · Physics 2008-03-05 Deborah N. Aguilera , José A. Pons , Juan A. Miralles
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