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  Mean Field Approach to the Correlation Effects on the Density of Electronic States and Conductivity of Disordered Metals

Caliskan, S., Sasioglu, E., Kumru, M., Nakhmedov, E. P., Cakiroglu, Ö., & Karaoglu, B. (2002). Mean Field Approach to the Correlation Effects on the Density of Electronic States and Conductivity of Disordered Metals. Physica Status Solidi B-Basic Research, 229(3), 1205-1214. Retrieved from http://www3.interscience.wiley.com/cgi-bin/abstract/89013404/START.

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 Creators:
Caliskan, S., Author
Sasioglu, E., Author
Kumru, M., Author
Nakhmedov, E. P.1, Author           
Cakiroglu, Ö., Author
Karaoglu, B., Author
Affiliations:
1Max Planck Institute for the Physics of Complex Systems, Max Planck Society, ou_2117288              

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 MPIPKS: Electronic structure
 Abstract: Effects of correlation in weakly disordered systems on the density of electronic states (DOS) and the conductivity are examined in the framework of the mean field approach. As a result of the approximation, the electronic energy spectrum is changed from a free electron energy spectrum to a Hartree exchange term added energy spectrum form. Coulomb interaction is shown to give a correction to the DOS, which reduces the electronic states. Calculations of the conductivity show that, although Coulomb interaction evaluated by the mean field theory decreases the Drude conductivity, it acts as a dephasing factor for the quantum localization correction to the conductivity.

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Language(s): eng - English
 Dates: 2002-02
 Publication Status: Issued
 Pages: -
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 Table of Contents: -
 Rev. Type: Peer
 Degree: -

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Title: Physica Status Solidi B-Basic Research
  Alternative Title : Phys. Status Solidi B-Basic Res.
Source Genre: Journal
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Pages: - Volume / Issue: 229 (3) Sequence Number: - Start / End Page: 1205 - 1214 Identifier: ISSN: 0370-1972