Generation and evolution of magnetic field in the relativistic plasma following q-nonextensive distribution

A GigaGauss quasi-steady magnetic field can be generated in astrophysical plasmas and laser-produced plasmas with high-frequency electromagnetic radiation through wave-wave and wave-particle interactions. A set of governing equations for this field are obtained in the plasma consisting of ultra-rela...

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Bibliographic Details
Published in:Physics of plasmas 2017-02, Vol.24 (2)
Main Authors: Lin, Fu-Jun, Chen, Zong-Hua, Li, Xiao-Qing, Liao, Jing-Jing, Zhu, Yun
Format: Article
Language:English
Subjects:
Electromagnetic radiation
Magnetic fields
Magnetic flux
Particle interactions
Plasma physics
Relativism
Relativistic effects
Relativistic plasmas
Tubes
Wave-particle interactions
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Summary:A GigaGauss quasi-steady magnetic field can be generated in astrophysical plasmas and laser-produced plasmas with high-frequency electromagnetic radiation through wave-wave and wave-particle interactions. A set of governing equations for this field are obtained in the plasma consisting of ultra-relativistic electrons following q-nonextensive distribution. The numerical results show that the initial field is unstable and can collapse to generate various spatially intermittent magnetic flux tubes. It can also be found that the behavior of the magnetic field is greatly dependent on the nonextensive index q, which may be helpful in understanding the magnetic turbulence.
ISSN:1070-664X
1089-7674
DOI:10.1063/1.4976981