Plasma and Fusion Research
Online ISSN : 1880-6821
ISSN-L : 1880-6821
Regular Articles
Mechanisms of E × B Drift Rotation of a Vortex String in a Pure Electron Plasma
Yukihiro SOGATetsuya MIMURAYasutada KATOYoungsoo PARK
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2013 Volume 8 Pages 2401034

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Abstract

Energy distribution of a pure electron plasma column rotating around the axis of a cylindrical vessel due to an E × B flow in a Malmberg–Penning trap is investigated. An abrupt relaxation of the energy distribution was observed in an electron string trapped for a few microseconds after injection from an electron emitter. The macroscopic E × B drift rotation of the electron column is mainly dominated by the microscopic axial energy distribution which determines the effective position of reflection at the end of the trap, that is, a radial electric field acting on the particles from an external trap potential.

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© 2013 by The Japan Society of Plasma Science and Nuclear Fusion Research
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