Year: 2014
Author: Ming-Lun Chen, Zhi-Quan Chen
Journal of Atomic and Molecular Sciences, Vol. 5 (2014), Iss. 2 : pp. 156–162
Abstract
We investigate the structure of an Aharonov-Bohm interferometer with a quantum dot coupling to left and right electrodes. By employing cluster expansions, the equations of motion of Green's functions are transformed into the corresponding equation of motion of connected Green's functions, which provides a truncation scheme. With this method under the Lacroix's truncation approximation, we show that Fano resonance causes a decoherence of the Kondo singlet.
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Journal Article Details
Publisher Name: Global Science Press
Language: English
DOI: https://doi.org/10.4208/jams.100913.122713a
Journal of Atomic and Molecular Sciences, Vol. 5 (2014), Iss. 2 : pp. 156–162
Published online: 2014-01
AMS Subject Headings: Global Science Press
Copyright: COPYRIGHT: © Global Science Press
Pages: 7
Keywords: cluster expansions Kondo singlet Fano resonance Lacroix's truncation approximation.