ANDERSON LOCALIZATION IN ANISOTROPIC ELECTRONIC SYSTEMS UNDER THE INFLUENCE OF WEAK EXTERNAL ELECTRIC AND MAGNETIC-FIELDS

Citation
P. Kleinert et Vv. Bryksin, ANDERSON LOCALIZATION IN ANISOTROPIC ELECTRONIC SYSTEMS UNDER THE INFLUENCE OF WEAK EXTERNAL ELECTRIC AND MAGNETIC-FIELDS, Physical review. B, Condensed matter, 52(3), 1995, pp. 1649-1655
Citations number
25
Categorie Soggetti
Physics, Condensed Matter
ISSN journal
01631829
Volume
52
Issue
3
Year of publication
1995
Pages
1649 - 1655
Database
ISI
SICI code
0163-1829(1995)52:3<1649:ALIAES>2.0.ZU;2-7
Abstract
The self-consistent diagrammatic theory derived by Vollhardt and Wolfe has been phenomenologically extended to treat the influence of small electric and magnetic fields on the Anderson localization in disordere d anisotropic systems. The approach describes the combined effect of c onstant electric and magnetic fields as well as the anisotropy of the material on the metal-insulator phase boundary. Known limiting cases a re reproduced. The theory is expected to give a consistent picture of field-dependent transport measurements even in such cases where the di sorder is comparatively large (k(F) lambda(0) greater than or similar to 1) and the perturbation theory is inapplicable.