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Seminars & Lectures

* TITLE

Statistical approach to metal-insulator transition in electron correlated systems with disorder

* SPEAKERS

Name	Affiliation	E-mail
Tran Minh Tien	APCTP	hychoi(at)skku.edu

* HOST(Applicant)

Name	Affiliation	E-mail
-

* DATE / TIME

2007-06-14, 1:00 – 1:50 p.m.

* PLACE

APCTP Seoul Branch Office

* ABSTRACT

Based on distributions of the local density of states we present a statistical approach to disordered systems. The local density of states and its distributions are calculated by means of the inhomogeneous dynamical mean field approximation. The inhomogeneous dynamical mean-field approximation is based on the dynamical mean-field theory and the direct lattice space representation. Within the approximation the self energy although is a local function of frequency, but it still depends on the lattice site. As a measure of a metal-insulator transition driven by correlations and disorder, the most probable values of the local density of states are determined. A phase diagram of the two dimensional Falicov-Kimball with local disorder is also presented.

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