FLUCTUATIONS IN MESOSCOPIC SYSTEMS

被引：17
|
作者：
SCHREIBER, M
GRUSSBACH, H
机构：
[1] Institut für Physikalische Chemie, Johannes-Gutenberg-Universität, Mainz, W-6500
来源：
PHILOSOPHICAL MAGAZINE B-PHYSICS OF CONDENSED MATTER STATISTICAL MECHANICS ELECTRONIC OPTICAL AND MAGNETIC PROPERTIES | 1992年 / 65卷 / 04期
关键词：
D O I：
10.1080/13642819208204907
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Electronic wavefunctions in weakly disordered systems have been studied within the Anderson model of localization. The eigenstates calculated by means of the Lanczos diagonalization algorithm display characteristic spatial fluctuations that can be described by a multifractal analysis. For increasing disorder or energy the observed curdling of the wavefunction reflects the stronger localization, but no exponential decay can be observed. This is reflected in the set of generalized fractal dimensions and the singularity spectrum of the fractal measure.
引用
收藏
页码：707 / 714
页数：8
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