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EnglishStarting from the exact solution of the Fokker-Planck equation, the slowing-down time tr is clearly defined and easily calculated for different types of particles. The advantage of the approach used here is that the final formula for the slowing-down time is given as a simple product between a slowly varying coefficient and a characteristic time τ dependent on the initial energy and plasma parameters through a simple analytical expression. Comparison of tr with the relaxation times previously obtained is reported.
| Titolo: | Slowing-down time of fast electrons in plasmas via the fokker-planck equation | |
| Autore/i: | Manservisi S.; Molinari V. G. | |
| Autore/i Unibo: | ||
| Anno: | 1992 | |
| Rivista: | ||
| Digital Object Identifier (DOI): | http://dx.doi.org/10.13182/NSE92-A23979 | |
| Abstract: | Starting from the exact solution of the Fokker-Planck equation, the slowing-down time tr is clearly defined and easily calculated for different types of particles. The advantage of the approach used here is that the final formula for the slowing-down time is given as a simple product between a slowly varying coefficient and a characteristic time τ dependent on the initial energy and plasma parameters through a simple analytical expression. Comparison of tr with the relaxation times previously obtained is reported. | |
| Data stato definitivo: | 2022-03-03T10:03:36Z | |
| Appare nelle tipologie: | 1.01 Articolo in rivista |
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