An operational distinction between quantum entanglement and classical non-separability

Korolkova N, Sánchez-Soto L, Leuchs G (2024)

Publication Type: Journal article

Publication year: 2024

Journal

Philosophical Transactions of the Royal Society A-Mathematical Physical and Engineering Sciences Royal Society, The

Book Volume: 382

Article Number: 20230342

Journal Issue: 2287

DOI: 10.1098/rsta.2023.0342

Abstract

Quantum entanglement describes superposition states in multi-dimensional systems - at least two partite - which cannot be factorized and are thus non-separable. Non-separable states also exist in classical theories involving vector spaces. In both cases, it is possible to violate a Bell-like inequality. This has led to controversial discussions, which we resolve by identifying an operational distinction between the classical and quantum cases. This article is part of the theme issue 'The quantum theory of light'.

Involved external institutions

University of St Andrews GB United Kingdom (GB) Max-Planck-Institut für die Physik des Lichts (MPL) / Max Planck Institute for the Science of Light DE Germany (DE)

How to cite

APA:

Korolkova, N., Sánchez-Soto, L., & Leuchs, G. (2024). An operational distinction between quantum entanglement and classical non-separability. Philosophical Transactions of the Royal Society A-Mathematical Physical and Engineering Sciences, 382(2287). https://doi.org/10.1098/rsta.2023.0342

MLA:

Korolkova, Natalia, Luis Sánchez-Soto, and Gerd Leuchs. "An operational distinction between quantum entanglement and classical non-separability." Philosophical Transactions of the Royal Society A-Mathematical Physical and Engineering Sciences 382.2287 (2024).

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