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- W4386722275 abstract "In this paper the fundamental parameters of high-$T_c$ superconductivity are shown to be connected to the statistics of pairons (hole pairs in their antiferromagnetic environment) on a square lattice. In particular, we study the density fluctuations and the distribution of the area surrounding each pairon on the scale of the antiferromagnetic correlation length $xi_{AF}$, for the complete range of hole concentration. We show that the key parameters of the phase diagram, the $T_c$ dome, and the pseudogap temperature $T^*$, emerge from the statistical properties of the pairon disordered state. In this approach, the superconducting and the pseudogap states appear as inseparable phenomena. The condensation energy, which fixes the critical temperature, is directly proportional to the {it correlation energy} between pairons and {it not} to the energy gap, contrary to conventional superconductors. When the correlation energy between pairons is suppressed by fluctuations, either thermally, by disorder, or in the vortex core, the pseudogap state of disordered pairons is obtained. We attribute the unique features of cuprate superconductivity to this order-disorder transition in real space, which clearly differs from the BCS mechanism. Our predictions are in quantitative agreement with low-temperature tunneling and photoemission spectroscopy experiments." @default.
- W4386722275 created "2023-09-14" @default.
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- W4386722275 date "2023-09-09" @default.
- W4386722275 modified "2023-09-30" @default.
- W4386722275 title "Statistics of the cuprate pairon states on a square lattice" @default.
- W4386722275 doi "https://doi.org/10.48550/arxiv.2309.04847" @default.
- W4386722275 hasPublicationYear "2023" @default.
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