Exact scattering theory for the Landauer residual-resistivity dipole
- 15 March 1991
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 43 (8), 6434-6439
- https://doi.org/10.1103/physrevb.43.6434
Abstract
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.Keywords
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