Elastic and other properties at the commensurate-incommensurate transition in 2H-TaSe2

  • T. M. Rice
  • P. Prelovśek
II. Static Properties of CDW Systems
Part of the Lecture Notes in Physics book series (LNP, volume 217)


The large anomaly in the Youngs modulus in the commensurate phase of 2H-TaSe2 is attributed to a redistribution of the sizes of the orthorhombic domains. The restoring force against the redistribution is proportional to the domain-wall, or partial discommensuration energy and tends to zero as the commensurate-incommensurate transition is approached. The electrical response of 2H-TaSe2 does not show the anomalous behavior seen in other systems. Very recently however the increase in the resistance due to discommensurations has been identified experimentally.


Domain Wall Fermi Surface Charge Density Wave Commensurate Phase Landau Free Energy 
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Copyright information

© Springer-Verlag 1985

Authors and Affiliations

  • T. M. Rice
    • 1
  • P. Prelovśek
    • 1
  1. 1.Institut fur Theoretische PhysikZurichSwitzerland

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