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High-temperature superconductivity

Mind the pseudogap

The discovery of predicted collective electronic behaviour in copper-oxide superconductors in the non-superconducting state provides clues to unlocking the 24-year-old mystery of high-temperature superconductivity. See Letter p.283

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Figure 1: Phase diagram of the cuprates.
Figure 2: Loop-current electronic order.

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Varma, C. Mind the pseudogap. Nature 468, 184–185 (2010). https://doi.org/10.1038/468184a

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