| Issue |
Europhys. Lett.
Volume 62, Number 1, April 2003
|
|
|---|---|---|
| Page(s) | 76 - 82 | |
| Section | Condensed matter: electronic structure, electrical, magnetic, and optical properties | |
| DOI | https://doi.org/10.1209/epl/i2003-00364-5 | |
| Published online | 01 March 2003 | |
Typical medium theory of Anderson localization: A local order parameter approach to strong-disorder effects
1
Department of Physics and National High Magnetic Field Laboratory
Florida State University, Tallahassee, FL 32306, USA
2
Department of Physics, Georgetown University - Washington, DC
20057-0995, USA
Received:
31
July
2002
Accepted:
30
January
2003
We present a self-consistent theory of Anderson localization that yields a simple algorithm to obtain the typical local density of states as an order parameter, thereby reproducing the essential features of a phase diagram of localization-delocalization quantum phase transition in the standard lattice models of the disordered electron problem. Due to the local character of our theory, it can easily be combined with dynamical mean-field approaches to strongly correlated electrons, thus opening an attractive avenue for a genuine non-perturbative treatment of the interplay of strong interactions and strong disorder.
PACS: 72.15.Rn – Localization effects (Anderson or weak localization) / 71.27.+a – Strongly correlated electron systems; heavy fermions / 71.30.+h – Metal-insulator transitions and other electronic transitions
© EDP Sciences, 2003
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