dorsal/arxiv
View SchemaBrownian Motion of Grains and Negative Friction in Dusty Plasmas
| Authors | S. A. Trigger, A. G. Zagorodny |
|---|---|
| Categories | |
| ArXiv ID | physics/0211013 |
| URL | https://arxiv.org/abs/physics/0211013 |
Abstract
Within the approximation of dominant charging collisions the explicit microscopic calculations of the Fokker-Planck kinetic coefficients for highly-charged grains moving in plasma are performed. It is shown that due to ion absorption by grain the friction coefficient can be negative and the appropriate threshold value of the grain charge is found. The stationary solutions of the Fokker-Planck equation with the velocity dependent kinetic coefficient are obtained and the considerable deviation of such solutions from the Maxwellian distribution is established.
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"abstract": "Within the approximation of dominant charging collisions the explicit\nmicroscopic calculations of the Fokker-Planck kinetic coefficients for\nhighly-charged grains moving in plasma are performed. It is shown that due to\nion absorption by grain the friction coefficient can be negative and the\nappropriate threshold value of the grain charge is found. The stationary\nsolutions of the Fokker-Planck equation with the velocity dependent kinetic\ncoefficient are obtained and the considerable deviation of such solutions from\nthe Maxwellian distribution is established.",
"arxiv_id": "physics/0211013",
"authors": [
"S. A. Trigger",
"A. G. Zagorodny"
],
"categories": [
"physics.plasm-ph"
],
"title": "Brownian Motion of Grains and Negative Friction in Dusty Plasmas",
"url": "https://arxiv.org/abs/physics/0211013"
},
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