Article

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

DOI:Fisher, D. S. and Coppersmith, S. N. and Cross, M. C. (1984) Comment on "Dynamics of Charge-Density Waves Pinned by Impurities". Physical Review Letters, 52 (6). p. 481. ISSN 0031-9007 http://resolver.caltech.edu/CaltechAUTHORS:FISprl84 <http://resolver.caltech.edu/CaltechAUTHORS:FISprl84>
Source: OAI

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.

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Keywords

coherent oscillations
 
current-current correlation function
 
dc current voltage characteristic
 
independent domains
 
limited case
 
recent Letter Klemm
 
serious errors
 
single domain