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

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

doi:10.1103/PhysRevB.70.212510

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

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

Physics and Astronomy (Twin Cities)

Research output: Contribution to journal › Article › peer-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 language	English (US)
Article number	212510
Pages (from-to)	1-4
Number of pages	4
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	70
Issue number	21
DOIs	https://doi.org/10.1103/PhysRevB.70.212510
State	Published - 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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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.",

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