Detrapping Mechanism of Ultrarelativistic Electrons from an Oblique Shock Wave

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概要

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• Multi-dimensional effects on electron motion in a magnetosonic shock wave propagating obliquely to an external magnetic field are studied by means of a two-dimensional (two space coordinates and three velocities), relativistic, electromagnetic particle code. The simulations demonstrate that after trapping and energization in the main pulse of the shock wave, some electrons are detrapped from it while maintaining their ultrarelativistic energies. The detrapping is caused by magnetic fluctuations propagating along the wave front. Furthermore, some of the detrapped electrons are found to be accelerated by the shock wave to much higher energies because they can enter and exit the shock wave several times as a result of their gyromotions.

• 社団法人 プラズマ・核融合学会の論文

著者

• Toida Mieko

  Department Of Physics Nagoya University

• SHIKII Kenta

  Department of Physics, Nagoya University, Nagoya 464-8602, Japan

関連論文

• Detrapping of Energetic Electrons from Curved Shock Front(Gases, plasmas, electric discharges, and beams)
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• Energy Transfer to Heavy Ions by Nonlinear Evolution of Current-Driven Instabilities in a Multi-Ion-Species Plasma
• Effect of Ion Composition on Magnetosonic Waves(Gases, plasmas, electric discharges, and beams)
• Collisionless Damping of Low-Frequency Magnetosonic Pulses in a Two-Ion-Species Plasma
• Effects of Electromagnetic Fluctuations along Shock Front on Electron Motions in an Oblique Shock Wave
• Energy Transfer to Heavy Ions by Nonlinear Evolution of Current-Driven Instabilities in a Multi-Ion-Species Plasma
• Detrapping Mechanism of Ultrarelativistic Electrons from an Oblique Shock Wave

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