Near commensurability effects on charge density wave dynamics

Research output: Contribution to journalConference articlepeer-review

Abstract

Nearly commensurate charge density waves are described by a dilute phase-kink lattice. Linear response analysis shows that the shape of the AC response depends on the kink density and corresponds to a distribution of crossover frequencies. For nonlinear response a DC field EA is defined where the sliding kink lattice reaches the phason velocity. For E > EA and for some range of fields and damping constants the sliding system is unstable and the phenomena of narrow band noise is observed. The results also correspond to unusual flux lattice dynamics in superconducting films.
Original languageEnglish GB
Pages (from-to)198-205
JournalLecture Notes in Physics
Volume217
DOIs
StatePublished - 1985
Externally publishedYes

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