Cellular Dynamical Mean Field Approach to Strongly Correlated Systems

Details Cellular Dynamical Mean Field Approach to Strongly Correlated Systems Cellular Dynamical Mean Field Approach to Strongly Correlated Systems

2000-10-20

arxiv.org/abs/cond-mat/0010328v1

Physics

Condensed Matter

Strongly Correlated Electrons

RevTex, 4 pages, 1 embedded figure

Scientific paper

10.1103/PhysRevLett.87.186401

We propose a cellular version of dynamical-mean field theory which gives a
natural generalization of its original single-site construction and is
formulated in different sets of variables. We show how non-orthogonality of the
tight-binding basis sets enters the problem and prove that the resulting
equations lead to manifestly causal self energies.

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