Abstract
In earlier work, we predicted that two-dimensional electrons on the surface of a liquid helium thin film would form a polaronic state with a mass enhancement of at least five orders of magnitude. We have recently done a more general calculation of the threshold holding field where the polaronic state forms as a function of film thickness and areal density of electrons on the surface of the liquid helium, in particular, the contribution of interactions between electrons to the localization of a given electron and to its mass enhancement. We relate these results to recent measurements of Andrei on the mass enhancement and mobility decrease of electrons on liquid helium films.
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