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Non-thermal origin of nonlinear transport across magnetically induced superconductor-metal-insulator transition

Y. Seo·Y. Qin·C. L. Vicente·K. S. Choi·Jongsoo Yoon
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Abstract

We have studied the effect of perpendicular magnetic fields and temperatures on the nonlinear electronic transport in amorphous Ta superconducting thin films. The films exhibit a magnetic field induced metallic behavior intervening the superconductor-insulator transition in the zero temperature limit. We show that the nonlinear transport in the superconducting and metallic phase is of non-thermal origin and accompanies an extraordinarily long voltage response time.

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Y. Seo, Y. Qin, C. L. Vicente, K. S. Choi, Jongsoo Yoon. 2006-05-31. Non-thermal origin of nonlinear transport across magnetically induced superconductor-metal-insulator transition. https://doi.org/10.1103/physrevlett.97.057005

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