The excitation of l = 2,3 diocotron modes in a trapped pure electron plasma with external time varying electrostatic wall asymmetries is experimentally investigated. Direct measurements of the resistive destabilization of the l = 2 diocotron mode are presented. The experimental results are well described by a two dimensional (2D) cold fluid model.
Excitation of high order diocotron modes in the ELTRAP device / G. Bettega, B. Paroli, R. Pozzoli, M. Romé - In: Non neutral plasma physics 7. : 9. workshop on non neutral plasmas 2008 : New York, New York, 16-20 June 2008 / [a cura di] J. R. Danielson, T. S. Pedersen. - Melville, NY : American institute of physics, 2009. - ISBN 978-0-7354-0651-3. - pp. 96-101 (( Intervento presentato al 9. convegno International workshop on non-neutral plasmas tenutosi a New York, USA nel 2008 [10.1063/1.3122298].
Excitation of high order diocotron modes in the ELTRAP device
G. Bettega;B. Paroli;R. Pozzoli;M. Romé
2009
Abstract
The excitation of l = 2,3 diocotron modes in a trapped pure electron plasma with external time varying electrostatic wall asymmetries is experimentally investigated. Direct measurements of the resistive destabilization of the l = 2 diocotron mode are presented. The experimental results are well described by a two dimensional (2D) cold fluid model.
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