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- Title
Non-Fermi liquid behavior in a simple model of Fermi arcs and pseudogap.
- Authors
Wang, Ruojun; Yang, Kun
- Abstract
In this paper, we consider a perturbed version of a very simple and exactly solvable model that supports Fermi arcs and pseudogap in its ground state and excitation spectrum, which includes Hubbard-like interactions in both momentum and real spaces. We find that the combined effects give rise to non-Fermi liquid behavior in the electron self-energy. This points to a novel mechanism that leads to non-Fermi liquid behavior, which is of strong current interest in the context of strongly correlated metals, that often become superconductors. Comparison will be made with phenomenology of high- temperature cuprate superconductors.
- Subjects
HIGH temperature superconductors; EXCITATION spectrum; MOMENTUM space; LIQUIDS; SUPERCONDUCTORS
- Publication
Modern Physics Letters B, 2023, Vol 37, Issue 29, p1
- ISSN
0217-9849
- Publication type
Article
- DOI
10.1142/S0217984923501191