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High-Temperature Superconductivity: The Attractive Up Regime

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Abstract

We present the results of an infinite order unitary transformation applied to a multiband Hubbard Hamiltonian by which it can be shown rigorously that an attractive interaction term appears at the oxygen ion sites as a result of oxygen–copper virtual charge excitations. This exact result yields convincing evidence that the pairing mechanism in two and/or three band Hubbard models results precisely from this attraction.

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Authors and Affiliations

  1. Department of Theoretical Physics, Institute of Advanced Studies, The Australian National University, Canberra, ACT, 0200, Australia

    Miklós Gulácsi & Raymond Chan

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  1. Miklós Gulácsi
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  2. Raymond Chan
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Gulácsi, M., Chan, R. High-Temperature Superconductivity: The Attractive Up Regime. Journal of Superconductivity 14, 651–658 (2001). https://doi.org/10.1023/A:1013236923508

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  • DOI: https://doi.org/10.1023/A:1013236923508

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