Evidence of collective charge behavior in the insulating state of ultrathin films of superconducting metals

C. Christiansen, L. M. Hernandez, A. M. Goldman

Research output: Contribution to journalArticlepeer-review

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Abstract

The insulating regime of granular or clustered quench-condensed films was studied. Ga films that earlier exhibited the most striking metallic regime were considered. It was proposed that the nonlinear I-V characteristics found in the insulating regime may be evidence of a Bose insulating state, which could be either a Cooper pair CDW or Cooper pair crystal.

Original languageEnglish (US)
Article number037004
Pages (from-to)037004/1-037004/4
Number of pages1
JournalPhysical Review Letters
Volume88
Issue number3
DOIs
StatePublished - Jan 21 2002

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