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Entanglement spread is bounded by area

Limits on the quantum entanglement entropy in one dimension have been a key factor in understanding the physics of many-body systems. A bound that applies in any dimension has now been derived for a different measure known as entanglement spread.

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Fig. 1: Partioning a system defined on a graph.


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Correspondence to Enrique Rico Ortega or Simone Montangero.

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Rico Ortega, E., Montangero, S. Entanglement spread is bounded by area. Nat. Phys. 18, 1278–1279 (2022).

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