Abstract
Persistent currents in mesoscopic normal metal rings represent, even a decade after their first experimental observation, a challenge to both, theorists and experimentalists. After giving a brief review of the existing - experimental and theoretical - results, we concentrate on the (propsed) relationship of the size of the persistent current to the phase breaking rate. In particular, we consider effects induced by noise, scattering at two-level systems, and magnetic impurities.
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Eckern, U., Schwab, P. Persistent Currents Versus Phase Breaking in Mesoscopic Metallic Samples. Journal of Low Temperature Physics 126, 1291–1304 (2002). https://doi.org/10.1023/A:1013891902631
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DOI: https://doi.org/10.1023/A:1013891902631