Laboratory observations of electron energization and associated lower-hybrid and Trivelpiece-Gould wave turbulence during magnetic reconnection
- Department of Physics and Plasma Science and Fusion Center, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139 (United States)
This work presents an experimental study of current-driven turbulence in a plasma undergoing magnetic reconnection in a low-beta, strong-guide-field regime. Electrostatic fluctuations are observed by small, high-bandwidth, and impedance-matched Langmuir probes. The observed modes, identified by their characteristic frequency and wavelength, include lower-hybrid fluctuations and high-frequency Trivelpiece-Gould modes. The observed waves are believed to arise from electrons energized by the reconnection process via direct bump-on-tail instability (Trivelpiece-Gould) or gradients in the fast electron population (lower-hybrid).
- OSTI ID:
- 21389102
- Journal Information:
- Physics of Plasmas, Vol. 17, Issue 7; Other Information: DOI: 10.1063/1.3435216; (c) 2010 American Institute of Physics; ISSN 1070-664X
- Country of Publication:
- United States
- Language:
- English
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