Berlin 2024 – wissenschaftliches Programm

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QI: Fachverband Quanteninformation

QI 1: Quantum Foundations

QI 1.1: Hauptvortrag

Montag, 18. März 2024, 09:30–10:00, HFT-FT 101

Quantum causal structure and quantum memory — •Fabio Costa — Nordita, Stockholm University and KTH Royal Institute of Technology, Stockholm, Sweden

In recent years, a new formalism has been proposed to describe quantum processes where causal relations between events can be unknown or indefinite. The same formalism has been shown to be useful to describe multi-time memory in causally ordered, non-Markovian open quantum systems. Here I will review the approach and some of the most recent developments, with a focus on the definition and characterisation of non-classical memory and its relation to entanglement characterisation.

Keywords: Quantum causal structure; Open quantum systems; Quantum non-Markovianity; Process matrix; Quantum memory