Anomalous parallel-field negative magnetoresistance in ultrathin films near the superconductor-insulator transition

Kevin A. Parendo, L. M. Hernandez, A. Bhattacharya, A. M. Goldman

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

A parallel-field negative magnetoresistance has been found in quench-condensed ultrathin films of amorphous bismuth in the immediate vicinity of the thickness-tuned superconductor-insulator transition. The effect appears to be a signature of quantum fluctuations of the order parameter associated with the quantum critical point.

Original languageEnglish (US)
Article number212510
Pages (from-to)1-4
Number of pages4
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume70
Issue number21
DOIs
StatePublished - Dec 2004

Bibliographical note

Funding Information:
The authors would like to thank N. Shah and A. Kaminev for useful discussions. This work was supported by the National Science Foundation Condensed Matter Physics Program under Grant No. DMR-0138209.

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