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Phys Rev Lett ; 119(17): 170503, 2017 Oct 27.
Artigo em Inglês | MEDLINE | ID: mdl-29219445

RESUMO

In short-range interacting systems, the speed at which entanglement can be established between two separated points is limited by a constant Lieb-Robinson velocity. Long-range interacting systems are capable of faster entanglement generation, but the degree of the speedup possible is an open question. In this Letter, we present a protocol capable of transferring a quantum state across a distance L in d dimensions using long-range interactions with a strength bounded by 1/r^{α}. If α

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