Effect of impurity on a Peierls transition

1 April 1976

journal article
research article
Published by American Physical Society (APS) in Physical Review B

Vol. 13 (7), 3151-3153
https://doi.org/10.1103/physrevb.13.3151

Abstract

Impurity has two kinds of effects on the phase transition involving the formation of a charged density wave in a conductor. One is to break the coherent electron-hole pair and thus lower the transition temperature. The other is to create sufficient fluctuation to smear the transition, even in three-dimensional systems. It is shown here that in a system with less than four dimensions, a random distribution of impurities destroys the longrange order of the charge-density-wave state.

Keywords

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