Volume 125, Number 3, February 2019
|Number of page(s)||7|
|Published online||07 March 2019|
Perspective on experimental quantum causality
1 Dipartimento di Fisica, Sapienza Università di Roma - I-00185 Roma, Italy
2 International Institute of Physics & School of Science and Technology, Federal University of Rio Grande do Norte 59070-405 Natal, Brazil
Received: 15 February 2019
Accepted: 20 February 2019
Inferring causal relations from empirical data is a central task in any scientific inquiry. To that aim, a mathematical theory of causality has been developed, not only stating under which conditions such inference becomes possible but also offering a formal framework to reason about cause and effect within quantum theory. This perspective article provides an overview of the latest results in the growing field of quantum causality, with a special focus on experimental implementations and concepts that only recently have entered in the quantum information dictionary. Ideas like bilocality, instrumental variables and interventions will be discussed from both a fundamental and an experimental perspective.
PACS: 03.67.-a – Quantum information / 42.50.-p – Quantum optics
© EPLA, 2019
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