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High-temperature superconductivity

Schizophrenic electrons

The split personality of the conduction electrons in one high-temperature superconductor might indicate that periodic modulations of their spin and charge density are a general feature of these mystifying materials.

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Figure 1: Density wave in YBCO.

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Pfleiderer, C., Hackl, R. Schizophrenic electrons. Nature 450, 492–493 (2007). https://doi.org/10.1038/450492a

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