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Probing local electronic states in the quantum Hall regime with a side coupled quantum dot by Otsuka, Tomohiro; Abe, Eisuke; Iye, Yasuhiro; Katsumoto, Shingo is a scholarly article available to read on EtoBox.

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We demonstrate a new method for locally probing the edge states in the quantum Hall regime utilizing a side coupled quantum dot positioned at an edge of a Hall bar. By measuring the tunneling of electrons from the edge states into the dot, we acquire information on the local electrochemical potential and electron temperature of the edge states. Furthermore, this method allows us to observe the spatial modulation of the electrostatic potential at the edge state due to many-body screening effect.

Author

Otsuka, Tomohiro; Abe, Eisuke; Iye, Yasuhiro; Katsumoto, Shingo

Published

2009

Language

EN