A resonant inelastic X-ray scattering interferometric approach exposes a highly entangled electronic ground state in a pyrochlore iridate, linking quantum entanglement to intertwined symmetry-breaking orders in a correlated metal near a metal–insulator transition.
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Arpaia, R. Entanglement made measurable. Nat. Mater. 25, 541–542 (2026). https://doi.org/10.1038/s41563-026-02557-y
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DOI: https://doi.org/10.1038/s41563-026-02557-y