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Collisionless current sheet equilibria

机译:碰撞电流纸张平衡

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Current sheets are important for the structure and dynamics of many plasma systems. In space and astrophysical plasmas they play a crucial role in activity processes, for example by facilitating the release of magnetic energy via processes such as magnetic reconnection. In this contribution we will focus on collisionless plasma systems. A sensible first step in any investigation of physical processes involving current sheets is to find appropriate equilibrium solutions. The theory of collisionless plasma equilibria is well established, but over the past few years there has been a renewed interest in finding equilibrium distribution functions for collisionless current sheets with particular properties, for example for cases where the current density is parallel to the magnetic field (force-free current sheets). This interest is due to a combination of scientific curiosity and potential applications to space and astrophysical plasmas. In this paper we will give an overview of some of the recent developments, discuss their potential applications and address a number of open questions.
机译:当前的纸张对于许多等离子体系统的结构和动态非常重要。在空间和天体物理等离子体中,它们在活动过程中发挥着至关重要的作用,例如通过促进磁力重新连接的过程促进磁能。在这一贡献中,我们将专注于碰撞等离子体系统。在任何涉及当前纸张的物理过程的任何调查中的一个明智的第一步是找到适当的平衡溶液。碰撞等离子体均衡理论很好,但在过去几年中,对具有特定性质的碰撞电流片的均衡分布功能已经进行了重新的兴趣,例如,对于电流密度平行于磁场的情况(不动的电流纸张)。这种兴趣是由于科学好奇和潜在应用与空间和天体物理等离子体的结合。在本文中,我们将概述最近的一些事态发展,讨论其潜在的应用程序并解决了一些开放问题。

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