Conductance of Aharonov--Bohm Rings: From the Discrete to the Continuous Spectrum Limit
arXiv:cond-mat/9312093 · doi:10.1209/0295-5075/28/6/003
Abstract
The dissipative conductance of an array of mesoscopic rings, subject to an a.c. magnetic flux is investigated. The magneto--conductance may change sign between canonical and grand-canonical statistical ensembles, as function of the inelastic level broadening and as function of the temperature. Differences between canonical and grand-canonical ensembles persist up to temperature of the order of the Thouless energy.
13 pages, 2 figures, REVTeX v2.1, WIS--93/121/Dec.--PH
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