Abstract
From twenty years of experimental research, we can draw several conclusions that do not depend on any particular model of high-temperature superconductivity. With these in mind, it's time to assess the theoretical landscape, and wonder whether we have been asking the right questions.
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Leggett, A. What DO we know about high Tc?. Nature Phys 2, 134–136 (2006). https://doi.org/10.1038/nphys254
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DOI: https://doi.org/10.1038/nphys254
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