Coulomb-Modified Fano Resonance in a One-Lead Quantum Dot
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- Johnson sep 2004 PRL
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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.
Originalsprog | Engelsk |
---|---|
Tidsskrift | Physical Review Letters |
Vol/bind | 93 |
Udgave nummer | 10 |
ISSN | 0031-9007 |
DOI | |
Status | Udgivet - 22 dec. 2003 |
- cond-mat.mes-hall
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ID: 38447552