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Title

Resonant dephasing in the electronic Mach-Zehnder interferometer

Authors
Cheianov, Vadim V.
Published in Physical Review Letters. 2007, vol. 99, no. 156801, p. 4 p.
Abstract We address the recently-observed unexpected behavior of Aharonov-Bohm oscillations in the electronic Mach-Zehnder interferometer that was realized experimentally in a quantum Hall system [1]. We argue that the measured lobe structure in the visibility of oscillations and the phase rigidity result from a strong long-range interaction between two adjacent counter-propagating edge states, which leads to a resonant scattering of plasmons. The visibility and phase shift, which we expressed in terms of the transmission coefficient for plasmons, can be used for the tomography of edge states.
Stable URL https://archive-ouverte.unige.ch/unige:13103
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Deposited on : 2011-01-04

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