Direct measurement of electron sloshing of an inertial Alfvén wave
Abstract
Abstract We report laboratory measurements of the parallel current carried by suprathermal electrons associated with inertial Alfvén wave excitation in the laboratory. The experiments presented here use a novel wave absorption diagnostic that measures the suprathermal tails of the electron distribution parallel to the mean magnetic field. The diagnostic is used to probe the electron distribution as an inertial Alfvén wave propagates along the mean magnetic field. These results identify, for the first time, the periodic motion of suprathermal electrons participating in the inertial Alfvén wave itself, in agreement with predictions from linear kinetic theory.
- Authors:
-
- Univ. of Iowa, Iowa City, IA (United States)
- Univ. of California, Los Angeles, CA (United States)
- Publication Date:
- Research Org.:
- Univ. of Iowa, Iowa City, IA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1469192
- Alternate Identifier(s):
- OSTI ID: 1402277
- Grant/Contract Number:
- FG02-06ER54890
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Geophysical Research Letters
- Additional Journal Information:
- Journal Volume: 43; Journal Issue: 10; Journal ID: ISSN 0094-8276
- Publisher:
- American Geophysical Union
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 74 ATOMIC AND MOLECULAR PHYSICS; Alfvén waves; wave‐particle interactions; auroral phenomena; Large Plasma Device; magnetosphere
Citation Formats
Schroeder, James W. R., Skiff, F., Kletzing, C. A., Howes, G. G., Carter, T. A., and Dorfman, S. Direct measurement of electron sloshing of an inertial Alfvén wave. United States: N. p., 2016.
Web. doi:10.1002/2016GL068865.
Schroeder, James W. R., Skiff, F., Kletzing, C. A., Howes, G. G., Carter, T. A., & Dorfman, S. Direct measurement of electron sloshing of an inertial Alfvén wave. United States. https://doi.org/10.1002/2016GL068865
Schroeder, James W. R., Skiff, F., Kletzing, C. A., Howes, G. G., Carter, T. A., and Dorfman, S. Thu .
"Direct measurement of electron sloshing of an inertial Alfvén wave". United States. https://doi.org/10.1002/2016GL068865. https://www.osti.gov/servlets/purl/1469192.
@article{osti_1469192,
title = {Direct measurement of electron sloshing of an inertial Alfvén wave},
author = {Schroeder, James W. R. and Skiff, F. and Kletzing, C. A. and Howes, G. G. and Carter, T. A. and Dorfman, S.},
abstractNote = {Abstract We report laboratory measurements of the parallel current carried by suprathermal electrons associated with inertial Alfvén wave excitation in the laboratory. The experiments presented here use a novel wave absorption diagnostic that measures the suprathermal tails of the electron distribution parallel to the mean magnetic field. The diagnostic is used to probe the electron distribution as an inertial Alfvén wave propagates along the mean magnetic field. These results identify, for the first time, the periodic motion of suprathermal electrons participating in the inertial Alfvén wave itself, in agreement with predictions from linear kinetic theory.},
doi = {10.1002/2016GL068865},
journal = {Geophysical Research Letters},
number = 10,
volume = 43,
place = {United States},
year = {Thu Apr 28 00:00:00 EDT 2016},
month = {Thu Apr 28 00:00:00 EDT 2016}
}
Web of Science
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Works referencing / citing this record:
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