Magnetic Field Energy Dissipation Driven by Relativistic Flows in Force-Flee Collisionless Pair Plasmas : Fluids, Plasmas, and Electric Discharges
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概要
- 論文の詳細を見る
It is shown by using a 2-dimensional fully relativistic electromagnetic particle-in-cell (PIC) code that a force-free collisionless pair plasma which is stable against collisionless tearing in-stability becomes unstable when driven by relativistic plasma flows and the magnetic field energy can be strongly dissipated and converted to heat plasmas as well as high-energy particle production. The force-free current sheet becomes unstable against the firehose instability and eventually breaks up into current filaments which are associated with the magnetic reconnection. The energy spectrum in the high-energy region shows an exponential-type law. The interaction process between the force-free collisionless plasmas and the relativistic plasma flows is an important mechanism for understanding the effective magnetic energy conversion, filament structures and high-energy particle production in astrophysical plasmas.
- 社団法人日本物理学会の論文
- 2001-03-15
著者
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SAKAI Jun-ichi
Laboratory for Plasma Astrophysics and Fusion Science, Department of Electronics and Information, Fa
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HARUKI Takayuki
Laboratory for Plasma Astrophysics, Faculty of Engineering, Toyama University
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Haruki Takayuki
Laboratory For Plasma Astrophysics Faculty Of Engineering Toyama University
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