The t-t '-t ''-U Hubbard model and Fermi-level peak

Sherman, A

Sherman, A (reprint author), Univ Tartu, Inst Phys, W Ostwaldi Str 1, EE-50411 Tartu, Estonia.

PHYSICA SCRIPTA, 2019; 94 (5):

Abstract

Using the strong-coupling diagram technique, low-temperature spectral properties of the two-dimensional fermionic Hubbard model are considered for str......

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