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Transport properties of double quantum dots with electron-phonon coupling
JournalArticle (Originalarbeit in einer wissenschaftlichen Zeitschrift)
 
ID 2351100
Author(s) Walter, Stefan; Trauzettel, Bjoern; Schmidt, Thomas L.
Author(s) at UniBasel Schmidt, Thomas
Walter, Stefan
Year 2013
Title Transport properties of double quantum dots with electron-phonon coupling
Journal Physical review. B, Condensed matter and materials physics
Volume 88
Number 19
Pages / Article-Number 195425
Abstract We study transport through a double quantum dot system in which each quantum dot is coupled to a phonon mode. Such a system can be realized, e. g., using a suspended carbon nanotube. We find that the interplay between strong electron-phonon coupling and interdot tunneling can lead to a negative differential conductance at bias voltages exceeding the phonon frequency. Various transport properties are discussed, and we explain the physics of the occurrence of negative differential conductance in this system.
Publisher American Institute of Physics
ISSN/ISBN 0163-1829
edoc-URL http://edoc.unibas.ch/dok/A6223234
Full Text on edoc No
Digital Object Identifier DOI 10.1103/PhysRevB.88.195425
ISI-Number WOS:000327239300006
Document type (ISI) Article
 
   

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