Commensurability oscillations in a lateral superlattice with broken inversion symmetry

被引：5
|
作者：
Staab, M. [1 ]
Matuschek, M. [1 ]
Pereyra, P. [1 ]
Utz, M. [1 ]
Schuh, D. [1 ]
Bougeard, D. [1 ]
Gerhardts, R. R. [2 ]
Weiss, D. [1 ]
机构：
[1] Univ Regensburg, Expt & Angew Phys, D-93040 Regensburg, Germany
[2] Max Planck Inst Festkorperforsch, D-70569 Stuttgart, Germany
来源：
NEW JOURNAL OF PHYSICS | 2015年 / 17卷
关键词：
magnetotransport; two-dimensional electron systems; lateral superlattice; Weiss oscillations; 2-DIMENSIONAL ELECTRON-GAS; QUASI-CLASSICAL CALCULATION; MAGNETORESISTANCE OSCILLATIONS;
D O I：
10.1088/1367-2630/17/4/043035
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We investigate both, experimentally and theoretically, commensurability oscillations in the low-field magnetoresistance of lateral superlattices with broken inversion symmetry. We find that pronounced minima develop in the resistivity rho(xx) when the flat band conditions of several relevant harmonics of the periodic potential nearly coincide.
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页数：7
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