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Resonant dephasing in the electronic Mach-Zehnder interferometer

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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.
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SUKHORUKOV, Eugene, CHEIANOV, Vadim V. Resonant dephasing in the electronic Mach-Zehnder interferometer. In: Physical Review Letters, 2007, vol. 99, n° 156801, p. 4 p. https://archive-ouverte.unige.ch/unige:13103

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Deposited on : 2011-01-04

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