TIGHT-BINDING ELECTRONS ON A DISORDERED SQUARE LATTICE IN A MAGNETIC-FIELD

被引：4
|
作者：
BRYKSIN, VV [1 ]
KLEINERT, P [1 ]
机构：
[1] P DRUDE INST FESTKORPERELEKTRON, O-1086 BERLIN, GERMANY
来源：
ZEITSCHRIFT FUR PHYSIK B-CONDENSED MATTER | 1993年 / 90卷 / 02期
关键词：
D O I：
10.1007/BF02198150
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
A semiclassical WKB treatment of the density of states spectrum of tight-binding electrons moving in a disordered two dimensional lattice in the presence of a transverse magnetic field is presented. The disorder is accounted for in the coherent potential approximation and analytical results are derived. For both ordered and disordered systems the line position of magnetic subbands as well as the cluster lineshape of the density of states agree quite well with exact numerical results.
引用
收藏
页码：167 / 172
页数：6
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