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A fully general relativistic description of the pulsar magnetosphere is provided. To be more concrete, a study of the pulsar magnetosphere is performed in the context of general relativistic magnetohydrodynamics (MHD) employing the…

天体物理学 · 物理学 2007-05-23 Hongsu Kim , Hyung Mok Lee , Chul H. Lee , Hyun Kyu Lee

On the basis of simple principles we derive and investigate the equations of relativistic plasma magnetohydrodynamics (MHD) in an arbitrary gravitational field. An exact solution describing the motion of magnetoactive plasma against the…

广义相对论与量子宇宙学 · 物理学 2011-01-06 Yu. G. Ignatyev

Using a generally covariant Electro-Vortic (magnetofluid) formalism for relativistic plasmas, the dynamical evolution of a generalized vorticity (a combination of the magnetic and kinematic parts) is studied in a cosmological context. We…

等离子体物理 · 物理学 2019-05-22 Felipe A. Asenjo , Swadesh M. Mahajan

In this work, we present a novel framework of relativistic non-resistive dissipative magnetohydrodynamics for spin-polarized particles. Utilizing a classical relativistic kinetic equation for the distribution function in an extended…

高能物理 - 唯象学 · 物理学 2024-01-30 Samapan Bhadury , Wojciech Florkowski , Amaresh Jaiswal , Avdhesh Kumar , Radoslaw Ryblewski

We make some remarks on reconnection in plasmas and want to present some calculations related to the problem of finding velocity fields which conserve magnetic flux or at least magnetic field lines. Hereby we start from views and…

天体物理学 · 物理学 2009-11-11 Dieter H. Nickeler , Hans-Joerg Fahr

The general-relativistic (GR) magnetohydrodynamic (MHD) equations for a conductive plasma fluid are derived and discussed in the curved spacetime described by Thorne's metric tensor, i.e., a family of cosmological models with inherent…

广义相对论与量子宇宙学 · 物理学 2023-06-16 Kostas Kleidis , Apostolos Kuiroukidis , Demetrios B. Papadopoulos

Non-central heavy-ion collisions generate the strongest magnetic field of the order of $10^{18}-10^{19}$ Gauss due to the electric current produced by the positively charged spectators that travel at nearly the speed of light. Such…

高能物理 - 唯象学 · 物理学 2019-12-25 Duan She , Ze Fang Jiang , De-fu Hou , C. B. Yang

Relativistic heavy-ion collisions generate ultra-strong magnetic fields that interact with the quark-gluon plasma (QGP), a key focus of high-energy physics research.This study investigates QGP energy density evolution under time-dependent…

核理论 · 物理学 2026-03-31 Huang-Jing Zheng , Sheng-Qin Feng

The evolution of magnetized quark gluon plasma (QGP) in the framework of magneto-hydrodynamics is the focus of our study. We are investigating the temporal and spatial evolution of QGP using a second order viscous hydrodynamic framework.…

核理论 · 物理学 2024-03-05 M. karimabadi , A. F. Kord , B. Azadegan

The dynamics of a relativistic blast wave propagating through magnetized medium is considered taking into account possible inhomogeneities of density and magnetic field and additional energy supply. Under the simplifying assumption of a…

天体物理学 · 物理学 2009-11-07 Maxim Lyutikov

We study the dynamics of a plasma of charged relativistic fermions at very high temperature $T\gg m$, where $m$ is the fermion mass, coupled to the electromagnetic field. In particular, we derive a magneto-hydrodynamical description of the…

高能物理 - 唯象学 · 物理学 2015-08-19 Alexey Boyarsky , Jurg Frohlich , Oleg Ruchayskiy

Steady plasma flows have been studied almost exclusively in systems with continuous symmetry or in open domains. In the absence of continuous symmetry, the lack of a conserved quantity makes the study of flows intrinsically challenging. In…

等离子体物理 · 物理学 2023-06-22 Harold Weitzner , Wrick Sengupta

The magnetic reconnection process is studied in relativistic pair plasmas when the thermal and inertial properties of the magnetohydrodynamical fluid are included. We find that in both Sweet-Parker and Petschek relativistic scenarios there…

等离子体物理 · 物理学 2015-02-20 Luca Comisso , Felipe A. Asenjo

We study the one-dimensional, longitudinally boost-invariant motion of an ideal fluid with infinite conductivity in the presence of a transverse magnetic field, i.e., in the ideal transverse magnetohydrodynamical limit. In an extension of…

核理论 · 物理学 2016-04-27 Shi Pu , Victor Roy , Luciano Rezzolla , Dirk H. Rischke

We use covariant methods to analyse the nonlinear evolution of self-gravitating, non-relativistic media. The formalism is first applied to imperfect fluids, aiming at the kinematic effects of viscosity, before extended to inhomogeneous…

天体物理学 · 物理学 2009-11-13 N. K. Spyrou , C. G. Tsagas

We present a one-fluid pair plasma magnetohydrodynamical model for asymmetric relativistic magnetic reconnection that incorporates the thermal-inertial effects of the plasma. We find the general scaling relation for the reconnection rate in…

等离子体物理 · 物理学 2025-03-12 Maricarmen A. Winkler , Felipe A. Asenjo

In this article we revisit the significance of the often debated structural similarity between the equations of electromagnetism and fluid dynamics. Although the matching of the two sets of equations has successfully been done for…

流体动力学 · 物理学 2016-03-01 Bob Osano , Patrick Adams

General equations for conservative yet dissipative (entropy producing) extended magnetohydrodynamics are derived from two-fluid theory. Keeping all terms generates unusual cross-effects, such as thermophoresis and a current viscosity that…

流体动力学 · 物理学 2020-10-09 Baptiste Coquinot , Philip J. Morrison

Astrophysical plasmas can have parameters vastly different from the more studied laboratory and space plasmas. In particular, the magnetic fields can be the dominant component of the plasma, with energy-density exceeding the particle…

高能天体物理现象 · 物理学 2015-06-16 Maxim Lyutikov , Alexandre Lazarian

Ferrofluids belong to an important class of highly functional soft matter, benefiting from their magnetically controllable physical properties. Therefore, it is of central importance to quantitatively predict the dynamic magnetic response…

软凝聚态物质 · 物理学 2020-11-17 Angbo Fang