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相关论文: A self-consistent study of magnetic field effects …

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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…

太阳与恒星天体物理 · 物理学 2015-06-11 Gholam Hossein Bordbar , Zeinab Rezaei

We study the effects of strong magnetic fields on the neutron star structure. If the interior field of a star is on the same order of the surface field currently observed, the influences of the magnetic field on the star mass and radius are…

天体物理学 · 物理学 2014-10-13 Guangjun Mao , Akira Iwamoto , Zhuxia Li

It has been clear for some time now that super-critical surface magnetic fields, exceeding 4 x 10^13 G, exist on a subset of neutron stars. These magnetars may harbor interior fields many orders of magnitude larger, potentially reaching…

高能天体物理现象 · 物理学 2015-03-16 Farbod Kamiab , Avery E. Broderick , Niayesh Afshordi

The properties of the extremely strong magnetic fields of neutron stars affect in a unique way their evolution and the associated phenomenology. Due to the lack of constraints from direct observations, our understanding of the magnetic…

高能天体物理现象 · 物理学 2015-06-22 Riccardo Ciolfi

The presence of strong magnetic fields in neutron stars, such as in magnetars, may significantly affect their crust-core transition properties and the crust size. This knowledge is crucial in the correct interpretation of astrophysical…

核理论 · 物理学 2019-04-03 Debarati Chatterjee , Francesca Gulminelli , Debora P. Menezes

In the presence of strong magnetic field reported to have been observed on the surface of some neutron stars and on what are called Magnetars, a host of physical phenomenon from the birth of a neutron star to free streaming neutrino cooling…

高能物理 - 唯象学 · 物理学 2007-05-23 Ashok Goyal

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…

天体物理学 · 物理学 2009-11-07 G. Mao , V. N. Kondratyev , A. Iwamoto , Z. Li , X. Wu , W. Greiner , I. N. Mikhailov

In this work we study the effects of strong magnetic fields on hybrid stars by using a full general-relativity approach, solving the coupled Maxwell-Einstein equation in a self-consistent way. The magnetic field is assumed to be…

高能天体物理现象 · 物理学 2016-01-05 B. Franzon , V. Dexheimer , S. Schramm

In this contribution we study the effects of strong magnetic fields on the particle population of neutron stars with hyperon degrees of freedom in their composition. The star matter is described by a multi-component model with parameterized…

太阳与恒星天体物理 · 物理学 2014-09-04 R. O. Gomes , V. Dexheimer , C. A. Z. Vasconcellos

I briefly review some aspects of the effect of magnetic fields in the high density regime relevant to neutron stars, focusing mainly on compact star structure and composition, superconductivity, combustion processes, and gamma ray bursts.

天体物理学 · 物理学 2009-11-11 German Lugones

In this work, we study the effects of strong magnetic field configurations on the population of neutron stars. The stellar matter is described within a relativistic mean field formalism which considers many-body force contributions in the…

核理论 · 物理学 2017-06-28 R. O. Gomes , V. Dexheimer , B. Franzon , S. Schramm

We study the effect of strong magnetic fields, of the order of $10^{15}-10^{17}$ G, on the extension of the crust of magnetized neutron stars. The dynamical instability region of neutron-proton-electron ($npe$) matter at subsaturation…

核理论 · 物理学 2016-12-14 Jianjun Fang , Sidney Avancini , Helena Pais , Constança Providência

We investigate the effect of a strong magnetic field on the structure of neutron stars in a model with perturbative $f(R)$ gravity. The effect of an interior strong magnetic field of about $10^{17 \sim 18}$ G on the equation of state is…

高能天体物理现象 · 物理学 2015-06-15 Myung-Ki Cheoun , Cemsinan Deliduman , Can Güngör , Vildan Keleş , C. Y. Ryu , Toshitaka Kajino , Grant J. Mathews

The equation of state of a protoneutron star matter including the effects of magnetic field, temperature, nuclear asymmetry and trapped neutrinos are studied. Using the Oppenheimer-Volkoff-Tolman equation global parameters of the…

天体物理学 · 物理学 2007-05-23 R. Manka , M. Zastawny-Kubica , A. Brzezina , I. Bednarek

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…

高能天体物理现象 · 物理学 2017-12-21 Maxim Dvornikov

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…

核理论 · 物理学 2017-11-29 R. O. Gomes , B. Franzon , V. Dexheimer , S. Schramm

In this review we discuss self-consistent methods to calculate the global structure of strongly magnetised neutron stars within the general-relativistic framework. We outline why solutions in spherical symmetry cannot be applied to strongly…

核理论 · 物理学 2021-09-01 Debarati Chatterjee , Jerome Novak , Micaela Oertel

In this Letter, we report a realistic calculation of the magnetic field profile for the equation of state inside strongly magnetized neutron stars. Unlike previous estimates, which are widely used in the literature, we find that magnetic…

高能天体物理现象 · 物理学 2017-10-11 V. Dexheimer , B. Franzon , R. O. Gomes , R. L. S. Farias , S. S. Avancini , S. Schramm

Neutron stars are one of the most exotic objects in the universe and a unique laboratory to study the nuclear matter above the nuclear saturation density. In this work, we study the equation of state of the nuclear matter within a…

核理论 · 物理学 2012-09-26 L. L. Lopes , D. P. Menezes

In this work, we study the effect of the symmetry slope on the observables of weakly and strongly magnetized neutron stars within the chaotic magnetic field approximation. We investigate the impact of the symmetry energy slope in the…

高能天体物理现象 · 物理学 2026-04-27 Luiz L. Lopes , Cesar V. Flores , Débora P. Menezes
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