Dynamical spectral function from numerical renormalization group: A full excitation approach
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DOI: 10.1103/physrevb.102.085125
Abstract: For a given quantum impurity model, Wilson's numerical renormalization group (NRG) naturally defines a NRG Hamiltonian whose exact eigenstates and eigenenergies are obtainable. We give exact expressions for the free energy, static, as well as… read more here.
Keywords: renormalization group; dynamical spectral; numerical renormalization; spectral function ... See more keywords