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Phase Coherence in the Inelastic Cotunneling Regime by Sigrist, M.; Ihn, T.; Ensslin, K.; Loss, D.; Reinwald, M.; Wegscheider, W. is a scholarly article available to read on EtoBox.

What is Phase Coherence in the Inelastic Cotunneling Regime about?

Two quantum dots with tunable mutual tunnel coupling have been embedded in a two-terminal Aharonov-Bohm geometry. Aharonov-Bohm oscillations are investigated in the cotunneling regime. 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.

Author

Sigrist, M.; Ihn, T.; Ensslin, K.; Loss, D.; Reinwald, M.; Wegscheider, W.

Published

2005

Language

EN