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Volume 5, Issue 2
Decoherence of the Kondo Singlet Caused by Fano Resonance

Ming-Lun Chen & Zhi-Quan Chen

DOI: 10.4208/jams.100913.122713a

J. At. Mol. Sci., 5 (2014), pp. 156-162.

Published online: 2014-05

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  • 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.

  • Keywords

cluster expansions, Kondo singlet, Fano resonance, Lacroix's truncation approximation.

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COPYRIGHT: © Global Science Press

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@Article{JAMS-5-156, author = {Chen , Ming-Lun and Chen , Zhi-Quan}, title = {Decoherence of the Kondo Singlet Caused by Fano Resonance}, journal = {Journal of Atomic and Molecular Sciences}, year = {2014}, volume = {5}, number = {2}, pages = {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.

}, issn = {2079-7346}, doi = {https://doi.org/10.4208/jams.100913.122713a}, url = {http://global-sci.org/intro/article_detail/jams/8320.html} }
TY - JOUR T1 - Decoherence of the Kondo Singlet Caused by Fano Resonance AU - Chen , Ming-Lun AU - Chen , Zhi-Quan JO - Journal of Atomic and Molecular Sciences VL - 2 SP - 156 EP - 162 PY - 2014 DA - 2014/05 SN - 5 DO - http://doi.org/10.4208/jams.100913.122713a UR - https://global-sci.org/intro/article_detail/jams/8320.html KW - cluster expansions, Kondo singlet, Fano resonance, Lacroix's truncation approximation. AB -

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.

Chen , Ming-Lun and Chen , Zhi-Quan. (2014). Decoherence of the Kondo Singlet Caused by Fano Resonance. Journal of Atomic and Molecular Sciences. 5 (2). 156-162. doi:10.4208/jams.100913.122713a
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