Current-flux characteristics in mesoscopic nonsuperconducting rings
classification
❄️ cond-mat.mes-hall
cond-mat.stat-mech
keywords
diamagneticparamagneticringsbluhmchangecharacteristicscircumstancescurrent
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We propose four different mechanisms responsible for paramagnetic or diamagnetic persistent currents in normal metal rings and determine the circumstances for change of the current from paramagnetic to diamagnetic ones and {\it vice versa}. It might qualitatively reproduce the experimental results of Bluhm et al. (Phys. Rev. Lett. 102, 136802 (2009)).
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