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首页> 外文期刊>Physica Scripta: An International Journal for Experimental and Theoretical Physics >Self-organization of dissipative and coherent vortex structures in non-equilibrium magnetized two-dimensional plasmas
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Self-organization of dissipative and coherent vortex structures in non-equilibrium magnetized two-dimensional plasmas

机译：非平衡磁化二维等离子体中耗散和相干涡结构的自组织

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摘要

The properties of non-equilibrium magnetized plasmas confined in planar geometry are studied on the basis of first-principle microscopic Langevin dynamics computer simulations. The non-equilibrium state of plasmas is maintained due to the recombination and generation of charges. The intrinsic microscopic structure of non-equilibrium steady-state magnetized plasmas, in particular the inter-particle correlations and self-organization of vortex structures, are examined. The simulations have been performed for a wide range of parameters including strong plasma coupling, high charge recombination and generation rates and intense magnetic field. As is shown in simulations, the non-equilibrium recombination and generation processes trigger the formation of ordered dissipative or coherent drift vortex states in 2D plasmas with distinctly spatially separated components, which are far from thermal equilibrium. This is evident from the unusual properties of binary distributions and behavior of the Coulomb energy of the system, which turn out to be quite different from the ones typical for the equilibrium state of plasmas under the same conditions.
机译：在第一原理显微兰格文动力学计算机模拟的基础上研究了局限在平面几何形状中的非平衡磁化等离子体的特性。由于电荷的重组和产生，维持了等离子体的非平衡状态。研究了非平衡稳态磁化等离子体的固有微观结构，特别是涡旋结构的粒子间相关性和自组织性。对各种参数进行了仿真，包括强等离子体耦合，高电荷复合和生成速率以及强磁场。如仿真所示，非平衡重组和生成过程会触发二维等离子体中有序耗散或相干漂移涡旋状态的形成，这些二维等离子体具有明显空间上分离的成分，并且远离热平衡。这从系统的二元分布和库仑能量的异常特性可以明显看出，这与相同条件下等离子体平衡态的典型特性完全不同。

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