dorsal/arxiv
View SchemaCharacterization of the initial filamentation of a relativistic electron beam passing through a plasma
| Authors | A. Bret, M. -C. Firpo, C. Deutsch |
|---|---|
| Categories | |
| ArXiv ID | physics/0502097 |
| URL | https://arxiv.org/abs/physics/0502097 |
| DOI | 10.1103/PhysRevLett.94.115002 |
Abstract
The linear instability that induces a relativistic electron beam passing through a return plasma current to filament transversely is often related to some filamentation mode with wave vector normal to the beam or confused with Weibel modes. We show that these modes may not be relevant in this matter and identify the most unstable mode on the two-stream/filamentation branch as the main trigger for filamentation. This sets both the characteristic transverse and longitudinal filamentation scales in the non-resistive initial stage.
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"abstract": "The linear instability that induces a relativistic electron beam passing\nthrough a return plasma current to filament transversely is often related to\nsome filamentation mode with wave vector normal to the beam or confused with\nWeibel modes. We show that these modes may not be relevant in this matter and\nidentify the most unstable mode on the two-stream/filamentation branch as the\nmain trigger for filamentation. This sets both the characteristic transverse\nand longitudinal filamentation scales in the non-resistive initial stage.",
"arxiv_id": "physics/0502097",
"authors": [
"A. Bret",
"M. -C. Firpo",
"C. Deutsch"
],
"categories": [
"physics.plasm-ph",
"astro-ph"
],
"doi": "10.1103/PhysRevLett.94.115002",
"title": "Characterization of the initial filamentation of a relativistic electron beam passing through a plasma",
"url": "https://arxiv.org/abs/physics/0502097"
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