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QI: Fachverband Quanteninformation

QI 1: Quantum Foundations

QI 1.7: Vortrag

Montag, 18. März 2024, 11:30–11:45, HFT-FT 101

Quantum incompatibility of multipartite measurements — •Lucas Tendick — Inria Paris-Saclay, Bâtiment Alan Turing, FRA 91120 Palaiseau

The incompatibility of quantum measurements, i.e., the effect that certain observable quantities cannot be measured simultaneously has traditionally and extensively been studied for measurements on a single system. Here, we introduce the notion of incompatibility for distributed measurements acting on multiple systems. We define and study the basic notions of incompatibility in this setting and show how to characterize and witness different locality constraints. Furthermore, we draw connections between the incompatibility of distributed measurements and multipartite quantum correlations. Finally, we discuss more generally the resources for potential applications that are provided by these type of incompatible measurements.

Keywords: Incompatibility; Distributed measurements; Steering; Quantum correlations