Model for the electronic structure, Fermi arcs, and pseudogap in cuprate superconductors

Details Model for the electronic structure, Fermi arcs, and pseudogap in cuprate superconductors Model for the electronic structure, Fermi arcs, and pseudogap in cuprate superconductors

2010-11-16

arxiv.org/abs/1011.3623v2

Physics

Condensed Matter

Superconductivity

9 pages, 4 figures

Scientific paper

We suggest a model for electronic structure of cuprate superconductors that makes it possible to describe evolution of this structure with the doping and provides a new explanation for a number of typical features of cuprates, including the pseudogap and the Fermi arcs. According to this model, the unique electronic structure of cuprates is favorable for the formation of two-atomic negative-U centers (NUCs) and realization of a peculiar mechanism of the electron-electron interaction.

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