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Please use this identifier to cite or link to this item: http://eprint.iitd.ac.in/handle/2074/1720

Title: Excitation of hybrid electrostatic-electromagnetic modes in a plasma-loaded sheath helix
Authors: Pant, K K
Tripathi, V K
Keywords: plasma-loaded sheath helix
lower hybrid modes
low-energy electron beam
saturate via particle trapping
oscillatory velocity
Issue Date: 1992
Citation: Plasma Science, IEEE Transactions on, 20(6), 973 - 978p.
Abstract: A plasma-loaded sheath helix supports lower hybrid modes that extended to the outside vacuum region. The phase velocity of the mode is significantly retarded by the presence of the sheath helix, making it liable to excitation by a low-energy electron beam. The extent of the mode outside the plasma is also reduced by the helix. An analysis of lower hybrid mode excitation by a beam propagating in the vacuum region reveals that nonlocal effects significantly reduce the growth rate. If the instability is taken to saturate via particle trapping, it acquires a large amplitude, giving oscillatory velocity large enough to lead to nonlinear effects
URI: http://eprint.iitd.ac.in/dspace/handle/2074/1720
Appears in Collections:Physics

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