Rashba effect and magnetic field in semiconductor quantum wires

被引：109
作者：
Debald, S [1 ]
Kramer, B [1 ]
机构：
[1] Univ Hamburg, Inst Theoret Phys, D-20355 Hamburg, Germany
来源：
PHYSICAL REVIEW B | 2005年 / 71卷 / 11期
关键词：
D O I：
10.1103/PhysRevB.71.115322
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
dWe investigate the influence of a perpendicular magnetic field on the spectral and spin properties of a ballistic quasi-one-dimensional electron system with Rashba effect. The magnetic field strongly alters the spin-orbit induced modification to the subband structure when the magnetic length becomes comparable to the lateral confinement. A subband-dependent energy splitting at k=0 is found which can be much larger than the Zeeman splitting. This is due to the breaking of a combined spin orbital-parity symmetry.
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页数：6
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