Direct measurement of electron sloshing of an inertial Alfvén wave

Schroeder, James W. R.; Skiff, F.; Kletzing, C. A.; Howes, G. G.; Carter, T. A.; Dorfman, S.

doi:10.1002/2016GL068865

Title: Direct measurement of electron sloshing of an inertial Alfvén wave

Journal Article · Thu Apr 28 00:00:00 EDT 2016 · Geophysical Research Letters

DOI:https://doi.org/10.1002/2016GL068865· OSTI ID:1469192

Schroeder, James W. R. ^[1]; Skiff, F. ^[1]; Kletzing, C. A. ^[1]; Howes, G. G. ^[1]; Carter, T. A. ^[2]; Dorfman, S. ^[2]

Univ. of Iowa, Iowa City, IA (United States)
Univ. of California, Los Angeles, CA (United States)

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.

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Research Organization:: Univ. of Iowa, Iowa City, IA (United States)

Sponsoring Organization:: USDOE

Grant/Contract Number:: FG02-06ER54890

OSTI ID:: 1469192

Alternate ID(s):: OSTI ID: 1402277

Journal Information:: Geophysical Research Letters, Vol. 43, Issue 10; ISSN 0094-8276

Publisher:: American Geophysical UnionCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 6 works

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Cited By (2)

Laboratory space physics: Investigating the physics of space plasmas in the laboratory Howes, Gregory G. Physics of Plasmas, Vol. 25, Issue 5 https://doi.org/10.1063/1.5025421	journal	May 2018
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