Fermi and Luttinger arcs: two concepts, realized on one surface
| Autor: | Worm, Paul, Reitner, Matthias, Held, Karsten, Toschi, Alessandro |
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| Rok vydání: | 2023 |
| Předmět: | |
| Zdroj: | Phys. Rev. Letter 133, 166501 (2024) |
| Druh dokumentu: | Working Paper |
| DOI: | 10.1103/PhysRevLett.133.166501 |
| Popis: | We present an analytically solvable model for correlated electrons, which is able to capture the major Fermi surface modifications occurring in both hole- and electron-doped cuprates as a function of doping. The proposed Hamiltonian qualitatively reproduces the results of numerically demanding many-body calculations, here obtained using the dynamical vertex approximation. Our analytical theory provides a transparent description of a precise mechanism, capable to drive the formation of disconnected segments along the Fermi surface (the highly debated "Fermi arcs") as well as of the opening of a pseudogap at hole- and electron-doping. This occurs through a specific mechanism: The electronic states on the Fermi arcs remain intact, while the Fermi surface part where the gap opens transforms into a Luttinger arc. Comment: 6 pages, 4 figures, suppl. mat |
| Databáze: | arXiv |
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