Feynman diagrammatics based on discrete pole representations: A path to renormalized perturbation theories
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DOI: 10.1103/physrevb.110.075158
Abstract: By merging algorithmic Matsubara integration with discrete pole representations we present a procedure to generate fully analytic closed form results for impurity problems at fixed perturbation order. To demonstrate the utility of this approach we… read more here.
Keywords: diagrammatics based; based discrete; feynman diagrammatics; perturbation ... See more keywords