Search for aging effects in randomly pinned charge-density waves

A. Beleznay, G. Mihaly

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Abstract

We have investigated the decay of the charge-density-wave (CDW) polarization induced by the application of electric-field pulses of various lengths. Our results show the same features as the energy relaxation in low-temperature specific-heat experiments. We argue that both phenomena can be well described in the framework of linear-response theory. Though there are similarities to the aging effects in spin glasses, in the case of CDWs these simply arise from the nonexponential nature of the relaxation. We show that in the case of charge-density waves there is no change in the barrier distribution when the system is allowed to age.

Original languageEnglish
Pages (from-to)14717-14720
Number of pages4
JournalPhysical Review B
Volume48
Issue number19
DOIs
Publication statusPublished - Jan 1 1993

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ASJC Scopus subject areas

  • Condensed Matter Physics

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