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A theory of current instabilities of a charged liquid helium surface

Yu. P. MonarkhaPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, Khar’kovS. S. SokolovPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, Khar’kov
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Abstract

A theoretical study is made of current instabilities of a charged surface of liquid helium. These instabilities are produced by the “evaporation” of electrons from surface levels into the quasicontinuous spectrum region. In a de driving field, current-voltage characteristics are S-shaped, while for high frequency ac fields, the characteristics are N-shaped.

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