Elastic properties of charge-density-wave conductors

Kazumi Maki, Attila Virosztek

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The sound propagation in a charge-density wave (CDW) in quasi-one-dimensional systems is studied theoretically within the mean-field approximation. We find that the sound velocity is unaffected by the CDW transition in the absence of CDW pinning. However, in the presence of CDW pinning the sound velocity increases upon entrance into the CDW state. The present result offers a simple interpretation of the field dependence of Young's modulus observed in a CDW of TaS3.

Original languageEnglish
Pages (from-to)2910-2912
Number of pages3
JournalPhysical Review B
Issue number5
Publication statusPublished - Jan 1 1987


ASJC Scopus subject areas

  • Condensed Matter Physics

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