Divergences of the irreducible vertex functions in correlated metallic systems: Insights from the Anderson impurity model
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DOI: 10.1103/physrevb.97.245136
Abstract: In this work, we analyze in detail the occurrence of divergences in the irreducible vertex functions for one of the fundamental models of many-body physics: the Anderson impurity model (AIM). These divergences -- a surprising… read more here.
Keywords: impurity model; divergences irreducible; model; irreducible vertex ... See more keywords