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Waiting time distributions of electron transfers through quantum dot Aharonov-Bohm interferometers

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Published 19 March 2009 Europhysics Letters Association
, , Citation S. Welack et al 2009 EPL 85 57008 DOI 10.1209/0295-5075/85/57008

0295-5075/85/5/57008

Abstract

We present an analysis of waiting time distributions of consecutive single-electron transfers through a double-quantum-dot Aharonov-Bohm interferometer. Waiting time distributions qualitatively indicate the presence of interferences and provide information on orbital-detuning and coherent interdot-electron transfer. The frequencies of interdot-transfer–induced oscillations are Aharonov-Bohm phase sensitive, while those due to level detuning are phase independent. The signature of the quantum interference in the waiting-time distribution is more apparent for weakly coupled electron transfer detectors.

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