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Causal nonseparability and the structure of spacetime

Letertre, Laurie (2019) Causal nonseparability and the structure of spacetime. In: UNSPECIFIED.

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Abstract

Quantum nonseparability is central to most philosophical puzzles related to quantum mechanics. Yet, it is not an exclusive property of quantum mechanics, as it is also found in theoretical generalizations thereof. Investigating the implications of quantum nonseparability in a broader context could shed a new light on the conceptual problems in quantum physics.
This work focuses on an operational theory called the process matrix formalism that generalizes quantum mechanics by relaxing the assumption of a well-defined causal structure. That broader theoretical context allows for the existence of quantum processes that are causally nonseparable, i.e. for which there is no definite global causal order among its interacting elements. Therefore, this notion of causal nonseparability somehow extends the notion of entanglement to the geometry of spacetime.


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Item Type: Conference or Workshop Item (UNSPECIFIED)
Creators:
CreatorsEmailORCID
Letertre, Laurielaurie.letertre@neel.cnrs.fr
Keywords: quantum mechanics causal nonseparability indefinite causal structure spacetime
Subjects: General Issues > Philosophers of Science
Specific Sciences > Physics > Quantum Mechanics
Depositing User: Ms. Laurie Letertre
Date Deposited: 02 Aug 2019 04:04
Last Modified: 02 Aug 2019 04:04
Item ID: 16233
Subjects: General Issues > Philosophers of Science
Specific Sciences > Physics > Quantum Mechanics
Date: 2019
URI: http://philsci-archive.pitt.edu/id/eprint/16233

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