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Condensed-matter physics

Marching to a different quantum beat

Periodic oscillations are common in nature but they generally decay or fall out of phase. Two experiments have found evidence for a Floquet time crystal, which is characterized by persistent in-phase oscillations. See Letters p.217 & p. 221

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Figure 1: A Floquet time crystal.

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Correspondence to Chetan Nayak.

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Nayak, C. Marching to a different quantum beat. Nature 543, 185–186 (2017). https://doi.org/10.1038/543185a

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