Fluid moments of the nonlinear Landau collision operator
- Princeton Plasma Physics Lab. (PPPL), Princeton, NJ (United States)
- Princeton Plasma Physics Lab. (PPPL), Princeton, NJ (United States); Princeton Univ., Princeton, NJ (United States)
- General Atomics, San Diego, CA (United States)
An important problem in plasma physics is the lack of an accurate and complete description of Coulomb collisions in associated fluid models. To shed light on the problem, this Letter introduces an integral identity involving the multivariate Hermite tensor polynomials and presents a method for computing exact expressions for the fluid moments of the nonlinear Landau collision operator. In conclusion, the proposed methodology provides a systematic and rigorous means of extending the validity of fluid models that have an underlying inverse-square force particle dynamics to arbitrary collisionality and flow.
- Research Organization:
- Princeton Plasma Physics Lab. (PPPL), Princeton, NJ (United States)
- Sponsoring Organization:
- USDOE
- Grant/Contract Number:
- AGS-1338944; AGS-1552142; AC02-09CH11466
- OSTI ID:
- 1328856
- Alternate ID(s):
- OSTI ID: 1287755
- Report Number(s):
- 5260; PHPAEN
- Journal Information:
- Physics of Plasmas, Vol. 23, Issue 8; ISSN 1070-664X
- Publisher:
- American Institute of Physics (AIP)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 8 works
Citation information provided by
Web of Science
Web of Science
Exact collisional moments for plasma fluid theories
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Exact collisional moments for plasma fluid theories | text | January 2017 |
Fourier-Hermite decomposition of the collisional Vlasov-Maxwell system: implications for the velocity space cascade | text | January 2018 |
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