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We consider a perturbed version of a very simple and exactly solvable modelthat supports Fermi arcs and pseudogap in its ground state and excitationspectrum, which includes Hubbard-like interactions in both momentum and realspaces. We find the combined effects give rise to non-Fermi liquid behavior inthe electron self-energy. Comparison will be made with phenomenology of hightemperature cuprate superconductors.

Non-Fermi liquid behavior in a simple model of Fermi arcs and pseudogap