CONDUCTANCE FLUCTUATIONS IN SYSTEMS WITH A RANDOM-MAGNETIC-FIELD SCATTERING

被引：26

作者：

FALKO, VI ^{[1
]}

机构：

[1] RUSSIAN ACAD SCI,INST SOLID STATE PHYS,CHERNOGOLOVKA 142432,RUSSIA

来源：

PHYSICAL REVIEW B | 1994年 / 50卷 / 23期

关键词：

D O I：

10.1103/PhysRevB.50.17406

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The perturbation-theory study of universal conductance fluctuations is generalized to systems with electron scattering in a static random magnetic field. Our calculation confirms the intuitive expectation that the amplitude of fluctuations coincides with the universal value typical for the unitary random-scattering ensemble. An application of this result to micrometer-size wires with the two-dimensional electron liquid near filling factor ν=1/2q allows us to predict aperiodic Coulomb-type oscillations in this system beyond the Coulomb-blockade regime, which would manifest a correspondence between the Aharonov-Bohm and Aharonov-Casher effects specific to composite fermions. © 1994 The American Physical Society.

引用

页码：17406 / 17410

页数：5

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