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Quantum coherence confined

Excitations confined by long-range interactions between Ising spins may provide a way for systems to escape thermalization. A quantum simulator made of trapped ions has now made such confinement-induced enhancement possible.

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Fig. 1: Domain-wall confinement in spin chains.


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Correspondence to Robert Konik.

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Konik, R. Quantum coherence confined. Nat. Phys. 17, 669–670 (2021).

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