Level statistics in a two-dimensional system with strong spin-orbit coupling

被引：3
|
作者：
Dmitriev, AP [1 ]
Kachorovskii, VY [1 ]
机构：
[1] AF Ioffe Phys Tech Inst, St Petersburg 194021, Russia
来源：
PHYSICAL REVIEW B | 2001年 / 63卷 / 11期
关键词：
D O I：
10.1103/PhysRevB.63.113301
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We study level correlations in a two-dimensional system with a long-range random potential and strong spin-orbit (SO) splitting Delta (SO) of the spectrum. The level correlations for sufficiently large Delta (SO) are shown to be described by orthogonal Wigner-Dyson statistics, in contrast to the common point of view that a system with the strong SO coupling belongs to the symplectic statistical ensemble. We demonstrate also that in a wide energy interval the level statistics is completely determined by transitions between two branches of the split spectrum.
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页数：2
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