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On the missing scaling relation in random field systems

โœ Scribed by Moshe Schwartz; Michael Gofman; Thomas Natterman


Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
552 KB
Volume
178
Category
Article
ISSN
0378-4371

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โœ V.F. Los' ๐Ÿ“‚ Article ๐Ÿ“… 1991 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 222 KB

With the help of a projection operator technique a new representation of the Kubo-Greenwood formula for the conductivity in a disordered system, which contains a vertex function in explicit analytical form, is obtained. The summing up of conventional diagrams in the tight-binding approximation gives