Irreversible Ponderomotive Effects in a Plasma

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Abstract
A kinetic description is presented of ponderomotive effects which originate from a time-dependent high-frequency (hf) field. The solution of the corresponding generalized diffusion equation shows the appearance of a nonlocal term which reflects a memory of the plasma. It leads to significant changes of the plasma properties during and after the duration of the hf field. The plasma is irreversibly heated and a region of high density and high temperature appears at the center of hf activity in the time asymptotic limit.

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