The first universal theory of strange metals could help explain why they behave so oddly – for example, why they resist the flow of electrons more than ordinary metals such as gold or copper. The new theory, developed by researchers at the Flatiron Institute in New York City and Harvard University, both in the US, takes into account two properties of strange metals: the quantum entanglement of their electrons and the non-uniform arrangement of their atoms. The work could advance our understanding of high-temperature superconductors and other correlated quantum materials.

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