Document Detail


Coulomb-modified Fano resonance in a one-lead quantum dot.
MedLine Citation:
PMID:  15447436     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
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 up to 100. Where these effects coexist, line shapes with up to four extrema are found. A model of Coulomb-modified Fano resonance is developed and gives excellent agreement with experiment.
Authors:
A C Johnson; C M Marcus; M P Hanson; A C Gossard
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Publication Detail:
Type:  Journal Article     Date:  2004-09-03
Journal Detail:
Title:  Physical review letters     Volume:  93     ISSN:  0031-9007     ISO Abbreviation:  Phys. Rev. Lett.     Publication Date:  2004 Sep 
Date Detail:
Created Date:  2004-09-27     Completed Date:  2004-11-15     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0401141     Medline TA:  Phys Rev Lett     Country:  United States    
Other Details:
Languages:  eng     Pagination:  106803     Citation Subset:  -    
Affiliation:
Department of Physics, Harvard University, Cambridge, Massachusetts 02138, USA.
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