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Open Quantum Systems Decoherence Entanglement Theory Quantum Correlations

The operational reality of quantum nonlocality

arXiv
Authors: R. Srikanth

Year

2020

Paper ID

21578

Status

Preprint

Abstract Read

~2 min

Abstract Words

102

Citations

N/A

Abstract

Does the remote measurement-disturbance of the quantum state of a system B by measurement on system A entangled with B, constitute a real disturbance - i.e., an objective alteration - of B in an operational sense? Employing information theoretic criteria motivated by operational considerations alone, we argue that the disturbance in question is real for a subset of steerable correlations. This result highlights the distinction between quantum no-signaling and relativistic signal-locality. It furthermore suggests a natural reason why a convex operational theory should be non-signaling: namely, to ensure the consistency between the properties of reduced systems and those of single systems.

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  • Does the remote measurement-disturbance of the quantum state of a system B by measurement on system A entangled with B, constitute a real disturbance - i.e., an objective...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2008.03302 [2] arXiv https://arxiv.org/abs/2008.03302 [3] Publisher https://arxiv.org/abs/2008.03302

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