On Electric Forces in a Time-dependent Medium
Physics Letters A, Vol. 219, No. 3&4, Pp. 233-237 (1996)
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Abstract
Forces acting on a non-stationary medium in the presence
of a high-frequency electrostatic field include the ponderomotive force,
the dissipative force (taking into account the slow non-stationarity of
the system), and the force due to the full change of the field momentum.
For the fields of normal modes (propagating waves), only the ponderomotive
force acts on the medium.
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