First Test of Long-Range Collisional Drag via Plasma Wave Damping
Journal Article
·
· Physical Review Letters
- Univ. of California, San Diego, CA (United States). Dept. of Physics
This paper presents the first experimental confirmation of a new theory predicting enhanced drag due to long-range collisions in a magnetized plasma. The experiments measure damping of Langmuir waves in a multispecies pure ion plasma, which is dominated by interspecies collisional drag in certain regimes. The measured damping rates in these regimes exceed classical predictions of collisional drag damping by as much as an order of magnitude, but agree with the new theory.
- Research Organization:
- Univ. of California, San Diego, CA (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Fusion Energy Sciences (FES)
- Grant/Contract Number:
- SC0002451
- OSTI ID:
- 1536431
- Alternate ID(s):
- OSTI ID: 1328537
- Journal Information:
- Physical Review Letters, Vol. 117, Issue 15; ISSN 0031-9007
- Publisher:
- American Physical Society (APS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 9 works
Citation information provided by
Web of Science
Web of Science
Giant increase in cross-magnetic-field transport rate as an electron-positron plasma cools
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Measurements of long-range enhanced collisional velocity drag through plasma wave damping
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journal | May 2018 |
Particle-in-cell studies of fast-ion slowing-down rates in cool tenuous magnetized plasma
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journal | April 2018 |
Fluid and kinetic nonlinearities of near-acoustic plasma waves
|
journal | December 2019 |
Ion friction at small values of the Coulomb logarithm | text | January 2019 |
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