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Heavy electrons

Sleuthing hidden order

Physicists have long debated whether the 'hidden order' in URu2Si2 is itinerant or localized, and it remains inaccessible to direct external probes. The observation of an overdamped collective mode seems to resolve this outstanding issue.

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Figure 1: What's hiding in URu2Si2?

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Correspondence to V. Tripathi.

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Tripathi, V., Chandra, P. & Coleman, P. Sleuthing hidden order. Nature Phys 3, 78–80 (2007). https://doi.org/10.1038/nphys524

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