Magnetic Field Generation during the Collision of Electron-Ion Plasma Clouds

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概要

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• We present the results of analytical sttndies and conaputer simulations of electron-ion plasnuaclotnd collisions trsing 2D3V particle-in-cell atnd 2D two-fluid collisionless relativistic codes. Weaddress the problern concerning the generation of a quasistatic magnetic field. Using relativistictwo-fluid equations for the two counterstreaming electron populations, we show with the help oflinear theory that the generation of' a taaagnetic field can be associated with the "electromagneticcounterstreatning instability". Two-diznensional (2D) particle-in-cell provide good agreementwith the restrlts of linear theory. We show that the qttasistatic rnagnetic field ttndergoes acollisionless change of strtrcttrre, leading to large-scale, long-lived strtrctures. These processesrnay be inaportant for the understanding of' rnagnetic field generation in laser jclasmas and inspace plasrnas in the regions where two stellar winds collide.

• 社団法人日本物理学会の論文
• 1998-04-15

著者

• SAKAI Jun-ichi

  Laboratory for Plasma Astrophysics and Fusion Science, Department of Electronics and Information, Fa

• Pegoraro Francesco

  Dipartimento Di Fisica Universita Di Pisa:dipartimento Di Fisica Universita Di Infm

• Califano Francesco

  Dipartimento Di Astronomia Universita Di Firenze:dipartment Of Di Astronomia Unibersita Infm

• NEUBERT Torsten

  Danish Meteorological Institute

• BULANOV Sergei

  General Physics,Institute,RAS

• Bulanov Sergei

  General Physics Institute Ras

• Bulanov Sergei

  General Physics Institute Of The Russian Academy Of Sciences

• KAZIMURA Yoshiro

  Laboratory for Plasma AstrophysicsmFaculty of Engineering,Toyama University

• Kazimura Yoshiro

  Laboratory For Plasma Astrophysicsmfaculty Of Engineering Toyama University

• Kazimura Yoshihiro

  Laboratory For Plasma Astrophysics Faculty Of Engineering Toyama University

• BULANOV Sergei

  General Physics Institute

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