Limitations of constrained random phase approximation downfolding
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DOI: 10.1103/physrevb.98.235151
Abstract: We check the accuracy of the constrained random phase approximation (cRPA) downfolding scheme by considering one-dimensional two- and three-orbital Hubbard models with a target band at the Fermi level and one or two screening bands… read more here.
Keywords: limitations constrained; random phase; constrained random; phase approximation ... See more keywords