Power law resistivity behavior in 2D superconductors across the magnetic-field tuned superconductor-insulator transition
G. Sambandamurthy, A. Johansson, E. Peled, D. Shahar, P. G. Bjornsson, K. A. Moler
Abstract
We present the results of a systematic study of thin-films of amorphous indium-oxide near the superconductor-insulator transition. We show that the film's resistivity follows a simple, well-defined, power-law dependence on the perpendicular magnetic field. This dependence holds well into the insulating state. Our results indicate that vortices play a central role in the transport of our films in the superconducting as well as insulating phases.
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