Quantum topoligicai effects in a metal with a Kondo impurity
A. A. ZvyaginB. I. Verkin Physicotechnical Institute of Low Temperatures, Ukranian Academy of Sciences, 310164 KharkovTatyana V. BandosB. I. Verkin Physicotechnical Institute of Low Temperatures, Ukranian Academy of Sciences, 310164 Kharkov
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Changes in oscillations of persistent spin and charge currents in a metal ring with a magnetic impurity as compared to the impurity-free case are predicted. It is shown that the impurity is manifested in interactions of electron spin degrees of freedom, which is reflected in a change in the period of Aharonov–Casher oscillations.
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