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Effects of electron-phonon interaction on quantum transport through single molecule transistor
Authors
ZZ Chen
HZ Lu
R Lü
BF Zhu
Publication date
1 January 2007
Publisher
'AIP Publishing'
Doi
Cite
Abstract
The effects of the electron-phonon interaction on the nonequilibrium transport through a single molecule transistor or certain quantum dots are systematically studied, with focus on the quantum resonant tunneling, Kondo effect, and Fano effect. We find that the broken particle-hole symmetry in such system can be identified from the phonon sidebands in the spectral function at very low temperature. In the Kondo regime, two types of Kondo phonon-satellites with different asymmetric shapes are distinguished and related to the electron or hole spin-singlet, respectively. Since phonon acts as a "which way" detector, the phonon-assisted tunneling channel has no Fano interference with the reference electronic channel. © 2007 American Institute of Physics.link_to_subscribed_fulltex
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Last time updated on 01/06/2016