The Landau Free Energy and Acoustic Anomalies in Incommensurate Insulators

  • H. Z. Cummins
  • Gen Li
  • N. Tao
  • R. M. Pick
  • C. Dreyfus
  • M. Hebbache
Part of the NATO ASI Series book series (NSSB, volume 229)

Abstract

Incommensurate phases of insulating crystals have been studied extensively during the last fifteen years, with some 66 different materials already identified.1 The phenomenological Landau free energy has played a central role in both the general theoretical understanding of these phases and in the analysis of experimental data.

Keywords

Argon Deconvolution 

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Copyright information

© Springer Science+Business Media New York 1990

Authors and Affiliations

  • H. Z. Cummins
    • 1
  • Gen Li
    • 1
  • N. Tao
    • 1
  • R. M. Pick
    • 2
  • C. Dreyfus
    • 2
  • M. Hebbache
    • 2
  1. 1.Department of PhysicsCity College of the City University of New YorkNew YorkUSA
  2. 2.Departement de Recherches PhysiquesUniversite P & M CurieParis Cedex 05France

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