Abstract
We study numerically a multichannel electronic Mach-Zender interferometer, where an orthogonal magnetic field produces edge states. Our time-dependent model is based on the split-step Fourier method and describes the charge carrier as a Gaussian wavepacket of edge states, whose path is defined by split-gate induced potential profiles on the 2DEG at filling factor ν = 2. We analyse a beam splitter with ∼ 50% inter-channel mixing and obtain Aharonov-Bohm oscillations in the transmission probability of the second channel.
Highlights
Protected edge states (ES) in the quantum Hall regime are able, in principle, to encode and process quantum information via electron quantum optics devices [1, 2, 3]
We model a multichannel Mach-Zender interferometer (MZI) with bulk filling factor ν = 2 [1, 4], where two parallel spin-degenerate edge states are forced to follow different paths
Instead of simulating delocalized plane-waves, we study the single-particle dynamical properties of the MZI describing the travelling charge as a strongly localized wavepacket (WP) of edge states [5, 6]
Summary
- Multichannel Human Body Communication Piotr Przystup, Adam Bujnowski and Jerzy Wtorek. - Refractometric sensor based on all-fiber coaxial Michelson and Mach-Zehnder interferometers for ethanol detection in fuel L Mosquera, Jonas H Osório, Juliano G Hayashi et al. This content was downloaded from IP address 155.185.12.93 on 30/10/2017 at 15:50.
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