Fermi arcs and the nature of carriers in cuprate HTSC

Details Fermi arcs and the nature of carriers in cuprate HTSC Fermi arcs and the nature of carriers in cuprate HTSC

2010-07-02

arxiv.org/abs/1007.0320v2

Physics

Condensed Matter

Superconductivity

13 pages, 5 figures

Scientific paper

Here we suggest a simple physical model of HTSC cuprates that provides qualitative explanation of the main features of these compounds, including the nature of Fermi arcs, pseudogap anomalies and the origin of free carriers. According to this model, the unusual properties of HTSC cuprates result from their unique electronic structure favourable for the formation of diatomic negative-U centers (NUCs) and realization of an unusual mechanism of electron-electron interaction.

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