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Proceedings Paper

Microwave nonlinear response of oxide superconducting films in the Berezinskii-Kosterlitz-Thouless state
Author(s): Sergey Vitkalov; Scott Dietrich; William Mayer; Andrey Sergeev; Anthony T. Bollinger; Ivan Bozovic
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Paper Abstract

The effects of microwave radiation on transport properties of atomically thin superconducting La2xSrxCuO4 films were studied in the 0.1 -13 GHz frequency range in the BKT state above Tc. The microwave nonlinear response is found to decrease by several orders of magnitude within a few GHz of the cutoff frequency f≈2 GHz. The results indicate that two-dimensional superconductivity is resilient against the high-frequency radiation, which is related to strong suppression of the dissociation of the vortex-antivortex pairs in 2D superconducting condensates oscillating at high frequencies.

Paper Details

Date Published: 24 February 2017
PDF: 8 pages
Proc. SPIE 10105, Oxide-based Materials and Devices VIII, 101051S (24 February 2017); doi: 10.1117/12.2264369
Show Author Affiliations
Sergey Vitkalov, The City College of New York (United States)
Scott Dietrich, Columbia Univ. (United States)
William Mayer, The City College of New York (United States)
Andrey Sergeev, US Army Research Lab. (United States)
Anthony T. Bollinger, Brookhaven National Lab. (United States)
Ivan Bozovic, Brookhaven National Lab. (United States)
Yale Univ. (United States)

Published in SPIE Proceedings Vol. 10105:
Oxide-based Materials and Devices VIII
Ferechteh H. Teherani; David C. Look; David J. Rogers, Editor(s)

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