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TT: Tiefe Temperaturen
TT 30: Postersitzung IV: Kritische Ph
änomene, Quantenstörstellen, niederdimensionale Systeme
TT 30.5: Poster
Thursday, March 11, 2004, 14:30–19:00, Poster A
Anderson localization in disordered electron-phonon systems — •Andreas Alvermann1,2, Franz X. Bronold1, and Holger Fehske1 — 1Institut für Physik, Ernst-Moritz-Arndt-Universität Greifswald, 17489 Greifswald — 2Regionales Rechenzentrum Erlangen, Universität Erlangen, 91058 Erlangen
In order to study the competition between Anderson localization and polaron formation we adopt the statistical dynamic mean field theory to a generic model for a strongly coupled disordered electron-phonon system. The localization properties of a single polaron are discussed in detail.