Second-order functional renormalization group approach to one-dimensional systems in real and momentum space
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DOI: 10.1103/physrevb.96.235122
Abstract: We devise a functional renormalization group treatment for a chain of interacting spinless fermions which is correct up to second order in the interaction strength. We treat both inhomogeneous systems in real-space as well as… read more here.
Keywords: renormalization group; space; second order; systems real ... See more keywords