Ultrafast electron holes in plasma phase space dynamics
Electron holes (EH) are localized modes in plasma kinetic theory which appear as vortices in phase space. Earlier research on EH is based on the Schamel distribution function (df). A novel df is proposed here, generalizing the original Schamel df in a recursive manner. Nonlinear solutions obtained b...
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| Veröffentlicht in: | Scientific reports 2021-08, Vol.11 (1), p.16358-16358, Article 16358 |
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| description | Electron holes (EH) are localized modes in plasma kinetic theory which appear as vortices in phase space. Earlier research on EH is based on the Schamel distribution function (df). A novel df is proposed here, generalizing the original Schamel df in a recursive manner. Nonlinear solutions obtained by kinetic simulations are presented, with velocities twice the electron thermal speed. Using 1D-1V kinetic simulations, their propagation characteristics are traced and their stability is established by studying their long-time evolution and their behavior through mutual collisions. |
| doi_str_mv | 10.1038/s41598-021-95652-w |
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| subjects | 639/705/1042 639/766/1960 Humanities and Social Sciences Investigations multidisciplinary Physics Plasma Population Propagation Science Science (multidisciplinary) Simulation Velocity |
| title | Ultrafast electron holes in plasma phase space dynamics |
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