Dynamics of copropagating edge states in a multichannel Mach-Zender interferometer

被引：2
|
作者：
Bellentani, L. [1 ]
Beggi, A. [1 ]
Bordone, P. [1 ,2 ]
Bertoni, A. [2 ]
机构：
[1] Univ Modena Reggio & Emilia, Dipartimento Sci Fis Informat Matemat, Via Campi 213-A, I-41125 Modena, Italy
[2] CNR, Ist Nanosci, Modena, Italy
来源：
20TH INTERNATIONAL CONFERENCE ON ELECTRON DYNAMICS IN SEMICONDUCTORS, OPTOELECTRONICS AND NANOSTRUCTURES (EDISON 20) | 2017年 / 906卷
关键词：
D O I：
10.1088/1742-6596/906/1/012027
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
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 v = 2. We analyse a beam splitter with similar to 50% inter-channel mixing and obtain Aharonov-Bohm oscillations in the transmission probability of the second channel.
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页数：4
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