EXACT SCATTERING-THEORY FOR THE LANDAUER RESIDUAL-RESISTIVITY DIPOLE

被引：33
|
作者：
ZWERGER, W
BONIG, L
SCHONHAMMER, K
机构：
[1] Institut F̈r Theoretische Physik, Universität Göttingen
来源：
PHYSICAL REVIEW B | 1991年 / 43卷 / 08期
关键词：
D O I：
10.1103/PhysRevB.43.6434
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
An exact-scattering-theory calculation for the density of electrons around localized impurities in bulk metals for arbitrary transport current is performed within the noninteracting-Fermi-gas approximation. To first order in the transport current, one recovers the Landauer residual-resistivity dipole plus additional Friedel oscillations. Numerical calculations for the density at arbitrary currents are performed for the one-, two-, and three-dimensional case.
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页码：6434 / 6439
页数：6
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