Comment on "Dynamics of Charge-Density Waves Pinned by Impurities"

Daniel S. Fisher; S. N. Coppersmith; M. C. Cross

doi:10.1103/physrevlett.52.481

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Comment on "Dynamics of Charge-Density Waves Pinned by Impurities"

Daniel S. Fisher S. N. Coppersmith M. C. Cross

Year: 1984 Journal: Physical Review Letters Vol: 52 (6)Pages: 481-481 Publisher: American Physical Society

DOI: 10.1103/physrevlett.52.481

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Abstract

In a recent Letter Klemm and Schrieffer(1) (KS) have attempted to calculate the dynamics of a single domain of a charge-density wave (CDW) pinned to impurities.(2) They give results for the dc current voltage characteristic, and also suggest that the impurity averaged current-current correlation function shows coherent oscillations. Their paper contains several serious errors which invalidate the results even for the very limited case considered of independent domains.

Keywords:

Impurity Condensed matter physics Dynamics (music) Charge (physics) Physics Materials science Statistical physics Quantum mechanics

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Comment on "Dynamics of Charge-Density Waves Pinned by Impurities"

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