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Related papers: Magnetized Neutron Star

200 papers

In this work, we study the effects of magnetic fields and rotation on the structure and composition of proto-neutron stars (PNS's). A hadronic chiral SU(3) model is applied to cold neutron stars (NS) and proto-neutron stars with trapped…

High Energy Astrophysical Phenomena · Physics 2016-08-17 B. Franzon , V. Dexheimer , S. Schramm

The interior of a neutron star is likely to be predominantly a mixture of superfluid neutrons and superconducting protons. This results in the quantisation of the star's magnetic field into an array of thin fluxtubes, producing a…

Solar and Stellar Astrophysics · Physics 2015-06-12 S. K. Lander

The ferromagnetic phase in pure neutron matter as well as charge neutral, beta-equilibrated nuclear matter is considered. We employ Quantum Hadrodynamics, a relativistic field theory description of nuclear matter with meson degrees of…

Nuclear Theory · Physics 2013-06-03 J. P. W. Diener

Neutron stars are the densest, directly observable stellar objects in the universe and serve as unique astrophysical laboratories to study the behavior of matter under extreme physical conditions. This book chapter is devoted to describing…

High Energy Astrophysical Phenomena · Physics 2018-06-11 N. Degenaar , V. F. Suleimanov

Motivated by the recent gravitational wave detection by the LIGO-VIRGO observatories, we study the Love number and dimensionless tidal polarizability of highly magnetized stars. We also investigate the fundamental quasi-normal mode of…

Nuclear Theory · Physics 2020-12-16 Cesar V. Flores , Luiz L. Lopes , Luis B. Castro , Débora P. Menezes

We study the effect of magnetic field on the bulk viscosity of nuclear matter in neutron stars. We employ the framework of relativistic mean field theory to observe the dense nuclear matter in neutron stars. The effects are first studied…

Astrophysics · Physics 2008-11-26 J D Anand , V K Gupta , Ashok Goyal , S Singh , Kanupriya Goswami

Possible consequences of ferromagnetic transition in dense matter suggested recently by Kutschera and W{\'o}jcik, for the magnetic properties of neutron stars, are studied. Specific model of dense matter, in which a small admixture of…

Astrophysics · Physics 2011-05-23 P. Haensel , S. Bonazzola

Among the many different classes of stellar objects, neutron stars provide a unique environment where we can test (at the same time) our understanding of matter with extreme density, temperature, and magnetic field. In particular, the…

High Energy Astrophysical Phenomena · Physics 2015-06-12 Nanda Rea

It is understood that strong magnetic fields affect the structure of neutron stars. Nevertheless, many calculations for magnetized neutron stars are still being performed using symmetric solutions of Einstein's equations. In this conference…

High Energy Astrophysical Phenomena · Physics 2017-06-28 V. Dexheimer , B. Franzon , S. Schramm

There exists both theoretical and observational evidence that the magnetic field decay in neutron stars may proceed in a pronounced non--linear way during a certain episode of the neutron star's life. In the presence of a strong magnetic…

Astrophysics · Physics 2009-11-07 U. Geppert , M. Rheinhardt

We investigate in this paper the structures of neutron stars under the strong magnetic field in the framework of $f(T)$ gravity where $T$ denotes the scalar torsion. The TOV equations in this theory of gravity have been considered and…

General Physics · Physics 2017-09-28 M. G. Ganiou , C. Aïnamon , M. J. S. Houndjo , J. Tossa

The evolution of the magnetic field is investigated for isolated as well as binary neutron stars. The overall nature of the field evolution is seen to be similar for an initial crustal field and an expelled flux. The major uncertainties of…

Astrophysics · Physics 2007-05-23 Sushan Konar , Dipankar Bhattacharya

Using an axisymmetric numerical code, we perform an extensive study of the magnetic field configurations in non-rotating neutron stars, varying the mass, magnetic field strength and the equation of state. We find that the monopolar…

Nuclear Theory · Physics 2019-06-12 Debarati Chatterjee , Jerome Novak , Micaela Oertel

We systematically study the properties of pure nucleonic and hyperonic magnetic stars using a density-dependent relativistic mean field (DD-RMF) equations of state. We explore several parameter sets and hyperon coupling schemes within the…

Nuclear Theory · Physics 2021-09-09 I. A. Rather , Usuf Rahaman , V. Dexheimer , A. A. Usmani , S. K. Patra

Neutron stars harbour extremely powerful magnetic fields, leading to their shape being deformed. Their magnetic deformation depends both on the geometry - and strength - of their internal magnetic field and on their composition, encoded by…

General Relativity and Quantum Cosmology · Physics 2021-10-19 J. Soldateschi , N. Bucciantini , L. Del Zanna

Ultramagnetized neutron stars or magnetars are magnetically powered neutron stars. Their strong magnetic fields dominate the physical processes in their crusts and their surroundings. The past few years have seen several advances in our…

Astrophysics · Physics 2007-05-23 Jeremy S. Heyl

We study the problem of neutron star composition in the presence of a strong magnetic field. The effects of the anomalous magnetic moments of both nucleons and electrons are investigated in relativistic mean field calculations for a…

Astrophysics · Physics 2009-11-07 G. Mao , V. N. Kondratyev , A. Iwamoto , Z. Li , X. Wu , W. Greiner , I. N. Mikhailov

In this work the relativistic mean field (RMF) FSUGold model extended to include hyperons is employed to study the properties of neutron stars with strong magnetic fields. The chaotic magnetic field approximation is utilized. The effect of…

High Energy Astrophysical Phenomena · Physics 2017-02-27 Fei Wu , Chen Wu , Zhongzhou Ren

We study the effect of a strong magnetic field on the proton and neutron spin polarization and magnetic susceptibility of asymmetric nuclear matter within a relativistic mean-field approach. It is shown that magnetic fields $B \sim 10^{16}…

Nuclear Theory · Physics 2015-06-23 A. Rabhi , M. A. Pérez-García , C. Providência , I. Vidaña

We investigate the effects of a magnetic field on the thermodynamics of a neutron system at finite density and temperature. Our main motivation is to deepen the understanding of the physics of a class of neutron stars known as magnetars,…

Nuclear Theory · Physics 2019-06-12 E. J. Ferrer , A. Hackebill