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相关论文: Effects of Strong Magnetic Fields in Strange Baryo…

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We study the effects of strong magnetic fields on the properties of hyperonic matter. We employ the relativistic mean field theory, which is known to provide excellent descriptions of nuclear matter and finite nuclei. The two additional…

核理论 · 物理学 2009-03-04 P. Yue , F. Yang , H. Shen

We study the effects of very strong magnetic fields on the equation of state (EOS) in multicomponent, interacting matter by developing a covariant description for the inclusion of the anomalous magnetic moments of nucleons. For the…

天体物理学 · 物理学 2009-10-31 A. Broderick , M. Prakash , J. M. Lattimer

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

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

We investigate medium effects due to density-dependent magnetic moments of baryons on neutron stars under strong magnetic fields. If we allow the variation of anomalous magnetic moments (AMMs) of baryons in dense matter under strong…

高能天体物理现象 · 物理学 2015-05-19 C. Y. Ryu , K. S. Kim , Myung-Ki Cheoun

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

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 physics of neutron stars leads historically towards Landau's speculation. Even before the discovery of the neutron, he postulated the possible existence of stars more compact than white dwarfs, containing matter of the order of nuclear…

核理论 · 物理学 2020-12-11 Luiz L. Lopes , Debora P. Menezes

We investigate the effects of strong magnetic fields on the equation of state of dense stellar neutrino-free and neutrino-trapped matter. Relativistic nuclear models both with constant couplings (NLW) and with density dependent parameters…

核理论 · 物理学 2010-04-22 A. Rabhi , C. Providencia

We study static neutron stars with poloidal magnetic fields and a simple class of electric current distributions consistent with the requirement of stationarity. For this class of electric current distributions, we find that magnetic fields…

天体物理学 · 物理学 2009-10-31 Christian Y. Cardall , Madappa Prakash , James M. Lattimer

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…

广义相对论与量子宇宙学 · 物理学 2015-06-19 Artyom V. Astashenok , Salvatore Capozziello , Sergei D. Odintsov

We construct a new equation of state for the baryonic matter under an intense magnetic field within the framework of covariant density functional theory. The composition of matter includes hyperons as well as $ \Delta$-resonances. The…

高能物理 - 唯象学 · 物理学 2020-11-16 Vivek Baruah Thapa , Monika Sinha , Jia-Jie Li , Armen Sedrakian

Compact stars serve as natural systems where matter exists at densities far beyond those achievable in laboratory experiments. Among them, magnetars are expected to possess interior magnetic fields that may reach values of the order of…

高能天体物理现象 · 物理学 2026-05-01 Monika Sinha , Vivek Baruah Thapa

By introducing Dirac ?-function in superhigh magnetic field, we deduce a general formula for pressure of degenerate and relativistic electrons, Pe, which is suitable for superhigh magnetic fields, discuss the quantization of Landau levels…

高能物理 - 唯象学 · 物理学 2015-11-16 Z. F. Gao , N. Wang , Y. Xu , H. Shan , X. D. Li

In this work we study the structure of neutron stars under the effect of a poloidal magnetic field and determine the limiting highest magnetic field intensity which still allows a satisfactory description of magnetic neutron stars in the…

核理论 · 物理学 2019-07-09 R. O. Gomes , Helena Pais , V. Dexheimer , Constança Providência , S. Schramm

We investigate the effects of strong magnetic fields on the properties of hyperon stars. The matter is described by a hadronic model with parametric coupling. The matter is considered to be at zero temperature, charge neutral,…

核理论 · 物理学 2013-07-30 R. O. Gomes , V. Dexheimer , C. A. Z. Vasconcellos

We investigate the effects of strong magnetic fields on the equation of state of warm stellar matter as it may occur in a protoneutron star. Both neutrino free and neutrino trapped matter at a fixed entropy per baryon are analyzed. A…

核理论 · 物理学 2015-05-28 A. Rabhi , P. K. Panda , C. Providência

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…

天体物理学 · 物理学 2008-11-26 W. Chen , P. Q. Zhang , L. G. Liu

In this work, we study the effect of strong magnetic fields on the equation of state (EoS) of warm, homogeneous, Neutron Star (NS) matter in beta equilibrium. NS matter is described within a relativistic mean field (RMF) approximation,…

核理论 · 物理学 2024-07-04 Luigi Scurto , Valéria Carvalho , Helena Pais , Constança Providência

It is shown that in strongly magnetized neutron stars, there exist upper limits of magnetic field strength, beyond which the self energies for both neutron and proton components of neutron star matter become complex in nature. As a…

天体物理学 · 物理学 2008-11-26 Somenath Chakrabarty
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