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Open Quantum Systems Decoherence
Passive quantum reference frame transformations cannot create entanglement between physical systems
arXiv
Authors: T. Rick Perche, Natália Salomé Móller, Guilherme Franzmann
Year
2025
Paper ID
36374
Status
Preprint
Abstract Read
~2 min
Abstract Words
79
Citations
N/A
Abstract
We find a necessary condition for subsystems to become entangled after a quantum reference frame transformation. By distinguishing between quantum systems suitable to act as reference frames and physical systems described relative to these frames, we define passive quantum reference frames and show that transformations between these cannot produce entanglement between physical systems. Our results also apply to the study of entanglement between subsystems in the perspectival framework even when there is no distinction between physical and reference systems.
Why This Paper Matters
- This paper contributes to the Open Quantum Systems & Decoherence research area in the Quantum Articles archive.
- It adds a 2025 reference point for readers tracking recent quantum research.
- We find a necessary condition for subsystems to become entangled after a quantum reference frame transformation.
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