Coulomb-Modified Fano Resonance in a One-Lead Quantum Dot
Mesoscale and Nanoscale Physics
2009-11-10 v2
Abstract
We investigate a tunable Fano interferometer consisting of a quantum dot coupled via tunneling to a one-dimensional channel. In addition to Fano resonance, the channel shows strong Coulomb response to the dot, with a single electron modulating channel conductance by factors of up to 100. Where these effects coexist, lineshapes with up to four extrema are found. A model of Coulomb-modified Fano resonance is developed and gives excellent agreement with experiment.
Cite
@article{arxiv.cond-mat/0312571,
title = {Coulomb-Modified Fano Resonance in a One-Lead Quantum Dot},
author = {A. C. Johnson and C. M. Marcus and M. P. Hanson and A. C. Gossard},
journal= {arXiv preprint arXiv:cond-mat/0312571},
year = {2009}
}
Comments
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