24 February 2017 Microwave nonlinear response of oxide superconducting films in the Berezinskii-Kosterlitz-Thouless state
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Proceedings Volume 10105, Oxide-based Materials and Devices VIII; 101051S (2017) https://doi.org/10.1117/12.2264369
Event: SPIE OPTO, 2017, San Francisco, California, United States
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.
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Sergey Vitkalov, Scott Dietrich, William Mayer, Andrey Sergeev, Anthony T. Bollinger, Ivan Bozovic, "Microwave nonlinear response of oxide superconducting films in the Berezinskii-Kosterlitz-Thouless state", Proc. SPIE 10105, Oxide-based Materials and Devices VIII, 101051S (24 February 2017); doi: 10.1117/12.2264369; https://doi.org/10.1117/12.2264369
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