Visualizing shear Alfven wave currents near the ion-cyclotron frequency

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Visualizing shear Alfven wave currents near the ion-cyclotron frequency
Stephen Vincena, UCLA Department of Physics and Astronomy
W Gekelman

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ABSTRACT:

We present measurements of the three-dimensional structure of shear Alfven wave currents near the ion-cyclotron frequency. The waves are launched by modulating an electron current filament with transverse size on the order of the electron collisionless skin depth. The component of the current parallel to the background magnetic field is carried by the electrons, while the cross-field current comprises both the ion-polarization and E x B currents.

SUGGESTED CITATION:
Stephen Vincena and W Gekelman, "Visualizing shear Alfven wave currents near the ion-cyclotron frequency" (2005). IEEE Transactions on Plasma Science. 33 (2), pp. 552-553. Postprint available free at: http://repositories.cdlib.org/postprints/1900

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