Resummation of Diagrammatic Series with Zero Convergence Radius for Strongly Correlated Fermions.
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DOI: 10.1103/physrevlett.121.130405
Abstract: We demonstrate that a summing up series of Feynman diagrams can yield unbiased accurate results for strongly correlated fermions even when the convergence radius vanishes. We consider the unitary Fermi gas, a model of nonrelativistic… read more here.
Keywords: correlated fermions; series; resummation diagrammatic; strongly correlated ... See more keywords