Phase coherence in the inelastic cotunneling regime

Sigrist, M. and Ihn, T. and Ensslin, K. and Loss, D. and Reinwald, M. and Wegscheider, W.. (2006) Phase coherence in the inelastic cotunneling regime. Physical review letters, Vol. 96, H. 3 , 036804, 4 S..

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Official URL: http://edoc.unibas.ch/dok/A5254647

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Two quantum dots with tunable mutual tunnel coupling have been embedded in a two-terminal Aharonov-Bohm geometry. Aharonov-Bohm oscillations investigated in the cotunneling regime demonstrate coherent tunneling through nonresonant states. Visibilities of more than 0.8 are measured indicating that phase-coherent processes are involved in the elastic and inelastic cotunneling. An oscillation-phase change of pi is detected as a function of bias voltage at the inelastic cotunneling onset.
Faculties and Departments:05 Faculty of Science > Departement Physik > Physik > Theoretische Physik Mesoscopics (Loss)
UniBasel Contributors:Loss, Daniel
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:American Physical Society
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:22 Mar 2012 14:26
Deposited On:22 Mar 2012 13:53

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