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Far-infrared magneto-conductivity of a YBa₂Cu₃O₇₋₈ superconducting thin film Matz, Daniel Johann

Abstract

The far-infrared reflectivity of a superconducting film of YBa₂Cu₃O₇₋₈ has been measured in a magnetic field up to 3.5 T. From this a Kramers-Kronig analysis has yielded the magneto-optic conductivity. In fitting these results to a theoretical model involving vortex core motion it was possible to fit the shape but not the magnitude of the frequency-dependent conductivity.

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