Green functions in the renormalized many-body perturbation theory for correlated and disordered electrons

Green functions in the renormalized many-body perturbation theory for correlated and disordered electrons

The ways of introducing and handling renormalizations in the many-body perturbation theory are reviewed. We stress the indispensable role the technique of Green functions plays in extrapolating the weak-coupling perturbative approaches to intermediate and strong couplings. We separately discuss mass...

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Bibliographic Details
Main Author:	V.Janiš
Format:	Article
Language:	English
Published:	Institute for Condensed Matter Physics 2006-01-01
Series:	Condensed Matter Physics
Subjects:	electron correlations random potential Green functions and many-body perturbation theory mass and charge renormalization parquet equations high spatial dimensions
Online Access:	http://dx.doi.org/10.5488/CMP.9.3.499

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