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In ultra-relativistic heavy-ion collisions, the strong electric field can be produced by the colliding nuclei. The magnitude of the electric field $E$ is on the order of $eE\sim m_{\pi}^2$ at the early stage of the collision. In quark gluon…

Nuclear Theory · Physics 2020-05-26 Wu Biaogang , Chen Baoyi , Zhao Xingbo

We study the layer of electrons on bare strange star surfaces, taking the Dirac exchange-energy into account. Because electrons are fermions, the electron wave function must be of exchange-antisymmetry. The Dirac exchange-energy originates,…

Astrophysics · Physics 2007-12-18 Hai-Chuan Guo , Ren-Xin Xu , Cheng-Min Zhang

Using the Thomas-Fermi model, we investigated the electric characteristics of a static non-magnetized strange star without crust in this paper. The exact solutions of electron number density and electric field above the quark surface are…

Astrophysics · Physics 2015-06-24 R. X. Xu , G. J. Qiao

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…

Astrophysics · Physics 2009-10-31 Christian Y. Cardall , Madappa Prakash , James M. Lattimer

In this paper we are trying to solve the problem of the origin of strong magnetic fields in the framework of solid quark-cluster stars. We propose that, under the Coulomb repulsion, the electrons inside the stars could spontaneously…

High Energy Astrophysical Phenomena · Physics 2015-12-21 Xiaoyu Lai

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,…

Nuclear Theory · Physics 2013-07-30 R. O. Gomes , V. Dexheimer , C. A. Z. Vasconcellos

We reexamine the surface composition of strange stars. Strange quark stars are hypothetical compact stars which could exist if strange quark matter was absolutely stable. It is widely accepted that they are characterized by an enormous…

Nuclear Theory · Physics 2007-05-23 Prashanth Jaikumar , Sanjay Reddy , Andrew W. Steiner

Pulsar-like compact stars usually have strong magnetic fields, with the strength from $\sim 10^8$ to $\sim 10^{12}$ Gauss on surface. How such strong magnetic fields can be generated and maintained is still an unsolved problem, which is, in…

Solar and Stellar Astrophysics · Physics 2016-05-25 X. Y. Lai , R. X. Xu

We investigate the effects of very strong magnetic fields upon the equation of state of dense bayonic matter in which hyperons are present. In the presence of a magnetic field, the equation of state above nuclear density is significantly…

Astrophysics · Physics 2009-11-07 A. E. Broderick , M. Prakash , J. M. Lattimer

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…

High Energy Astrophysical Phenomena · Physics 2026-05-01 Monika Sinha , Vivek Baruah Thapa

We study the effect of a magnetic field on the strage quark matter and apply to strange star. We found that the strange star becomes more compact in presence of strong magnetic field.

High Energy Physics - Phenomenology · Physics 2009-10-28 S. Chakrabarty , P. K. Sahu

Studies of strong field particle physics processes in electron/laser interactions and lepton collider interaction points are reviewed. These processes are defined by the high intensity of the electromagnetic fields involved and the need to…

High Energy Physics - Phenomenology · Physics 2018-07-31 Anthony Hartin

We investigate the influence of a strong interior magnetic field on the structure and composition of a protoneutron star allowing quark-hadron phase transition. In contrast to protoneutron stars with noninteracting quark phase, the stars…

Astrophysics · Physics 2009-10-30 Subrata Pal , Debades Bandyopadhyay , Somenath Chakrabarty

Strong interaction physics under extreme conditions of high temperature and/or density is of central interest in modern nuclear physics for experimentalists and theorists alike. In order to investigate such systems, model approaches that…

Solar and Stellar Astrophysics · Physics 2013-10-23 S. Schramm , V. Dexheimer , R. Negreiros , J. Steinheimer , T. Schürhoff

The surface tension of quark matter in a strong magnetic field is investigated using a geometric approach. The interface between the hadronic phase and quark phase is determined by the Maxwell construction of the first-order transition.…

High Energy Physics - Phenomenology · Physics 2025-03-14 Yu-Ying He , Xin-Jian Wen

Neutron stars contain the strongest magnetic fields known in the Universe. In this paper, I discuss briefly how these magnetic fields are inferred from observations, as well as the evidence for their time-evolution. I show how these…

Solar and Stellar Astrophysics · Physics 2013-05-14 Andreas Reisenegger

If the dark matter is composed of axions, then axion stars are expected to be abundant in the Universe. We demonstrate in fully non-linear (3+1) numerical relativity the instability of compact axion stars due to the electromagnetic…

High Energy Physics - Phenomenology · Physics 2024-11-26 Liina M. Chung-Jukko , Eugene A. Lim , David J. E. Marsh , Josu C. Aurrekoetxea , Eloy de Jong , Bo-Xuan Ge

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…

Nuclear Theory · Physics 2016-12-14 Jianjun Fang , Sidney Avancini , Helena Pais , Constança Providência

We investigate the impact of magnetic fields on the electron distribution in the electrosphere of quark stars. For moderately strong magnetic fields $B\sim 10^{13}$G, quantization effects are generally weak due to the large number density…

High Energy Physics - Phenomenology · Physics 2008-11-26 Prashanth Jaikumar

It is shown that the electric current of massive fermions along the external magnetic field can be excited in the case when particles possess anomalous magnetic moments and electroweakly interact with background matter. This current is…

High Energy Physics - Phenomenology · Physics 2018-02-15 Maxim Dvornikov