Collisionless damping and echoes in fluids

Pure Electron Plasmas in traps obey the same equations as inviscid fluids. These plasmas are cylindrical, rotating, and the flow is generally sheared. After reviewing some of their properties, the following will be described: dissipationless damping of waves, trapping of fluid by large amplitude waves, and reversal of the damping to produce echoes.

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Last Modified: October 14, 1997