Fri, Oct 13, 2017 4:15 pm - 5:15 pm
CSS 2115


Speaker: Minh Tran

Affiliation: QuICS/JQI

Title: Lieb-Robinson bounds on n-partite connected correlations

Abstract: Lieb and Robinson provided bounds on how fast bipartite connected correlations can arise in systems with only short-range interactions. We generalize Lieb-Robinson bounds on bipartite connected correlators to multipartite connected correlators. The bounds imply that an n-partite connected correlator can reach unit value in constant time. Remarkably, the bounds also allow for an n-partite connected correlator to reach a value that is exponentially large with system size in constant time, a feature which stands in contrast to bipartite connected correlations. We provide explicit examples of such systems.

*Snacks and drinks will be served at 4 pm*

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