Normal persistent currents |
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Authors: | Ulrich Eckern Peter Schwab |
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Institution: | Institut für Physik , Universit?t Augsburg , D-86135, Augsburg, Germany |
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Abstract: | This article reviews recent advances in mesoscopic physics, namely experimental and theoretical investigations of persistent (equilibrium) currents in normal metal rings. While theory and experiment are consistent in the ballistic regime, theoretical studies so far have not been able to account for the unexpectedly huge currents observed experimentally in disordered (diffusive) samples, in which the elastic mean free path is much less than the circumference of the rings. |
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