Volume 85, Number 5, March 2009
|Number of page(s)||5|
|Section||Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties|
|Published online||19 March 2009|
Waiting time distributions of electron transfers through quantum dot Aharonov-Bohm interferometers
Department of Chemistry, Hong Kong University of Science and Technology - Kowloon, Hong Kong
2 Department of Chemistry, University of California - Irvine, CA, USA
Corresponding authors: firstname.lastname@example.org email@example.com
Accepted: 13 February 2009
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-transferinduced 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.
PACS: 73.63.Kv – Quantum dots / 74.40.+k – Fluctuations (noise, chaos, nonequilibrium superconductivity, localization, etc.) / 73.23.Hk – Coulomb blockade; single-electron tunneling
© EPLA, 2009
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