Relativistic Quantum Fields Are Universal Entanglement Embezzlers

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Original languageEnglish
Article number261602
Number of pages8
JournalPhysical review letters
Volume133
Issue number26
Publication statusPublished - 31 Dec 2024

Abstract

Embezzlement of entanglement refers to the counterintuitive possibility of extracting entangled quantum states from a reference state of an auxiliary system (the "embezzler") via local quantum operations while hardly perturbing the latter. We uncover a deep connection between the operational task of embezzling entanglement and the mathematical classification of von Neumann algebras. Our result implies that relativistic quantum fields are universal embezzlers: any entangled state of any dimension can be embezzled from them with arbitrary precision. This provides an operational characterization of the infinite amount of entanglement present in the vacuum state of relativistic quantum field theories.

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Relativistic Quantum Fields Are Universal Entanglement Embezzlers. / Van Luijk, Lauritz; Stottmeister, Alexander; Werner, Reinhard F. et al.
In: Physical review letters, Vol. 133, No. 26, 261602, 31.12.2024.

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AU - Van Luijk, Lauritz

AU - Stottmeister, Alexander

AU - Werner, Reinhard F.

AU - Wilming, Henrik

N1 - Publisher Copyright: © 2024 American Physical Society.

PY - 2024/12/31

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