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Fully nonlinear phenomenology of the Berk-Breizman augmentation of the Vlasov-Maxwell system
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UNSPECIFIED. (2003) Fully nonlinear phenomenology of the Berk-Breizman augmentation of the Vlasov-Maxwell system. PHYSICS OF PLASMAS, 10 (3). pp. 623-630. ISSN 1070-664X
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Official URL: http://dx.doi.org/10.1063/1.1539854
Abstract
The Berk-Breizman augmentation of the Vlasov-Maxwell system is widely used to model self-consistent resonant excitation and damping of wave fields by evolving energetic particle populations in magnetic fusion plasmas. The key model parameters are the particle annihilation rate nu(a), which drives bump-on-tail structure, and the linear wave damping rate gamma(d). A code, based on the piecewise parabolic method, is used to integrate the fully nonlinear Berk-Breizman system of equations across the whole (nu(a),gamma(d)) parameter space. The results of this code show that the system's behavior can be classified into one of four types, each of which occurs in a well-defined region of parameter space: chaotic, periodic, steady state, and damped. The corresponding evolution in (x,v) phase space is also examined. (C) 2003 American Institute of Physics.
| Item Type: | Journal Article |
|---|---|
| Subjects: | Q Science > QC Physics |
| Journal or Publication Title: | PHYSICS OF PLASMAS |
| Publisher: | AMER INST PHYSICS |
| ISSN: | 1070-664X |
| Date: | March 2003 |
| Volume: | 10 |
| Number: | 3 |
| Number of Pages: | 8 |
| Page Range: | pp. 623-630 |
| Identification Number: | 10.1063/1.1539854 |
| Publication Status: | Published |
| URI: | http://wrap.warwick.ac.uk/id/eprint/10030 |
Data sourced from Thomson Reuters' Web of Knowledge
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