Anomalous noise in the pseudogap regime of YBa2Cu3O7-δ

D. S. Caplan, V. Orlyanchik, M. B. Weissman, D. J. Van Harlingen, E. H. Fradkin, M. J. Hinton, T. R. Lemberger

Research output: Contribution to journalArticlepeer-review


An unusual noise component is found near and below about 250 K in the normal state of underdoped YBCO and Ca-YBCO films. This noise regime, unlike the more typical noise above 250 K, has features expected for a symmetry-breaking collective electronic state. These include large individual fluctuators, a magnetic sensitivity, and aging effects. A possible interpretation in terms of fluctuating charge nematic order is presented.

Original languageEnglish (US)
Article number177001
JournalPhysical review letters
Issue number17
StatePublished - Apr 26 2010

ASJC Scopus subject areas

  • General Physics and Astronomy


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