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Open Quantum Systems Decoherence
Quantum Foundations
The measurement problem is the measurement problem is the measurement problem
arXiv
Authors: Veronika Baumann, Arne Hansen, Stefan Wolf
Year
2016
Paper ID
42585
Status
Preprint
Abstract Read
~2 min
Abstract Words
82
Citations
N/A
Abstract
Recently, it has been stated that single-world interpretations of quantum theory are logically inconsistent. The claim is derived from contradicting statements of agents in a setup combining two Wigner's-friend experiments. Those statements stem from applying the measurement-update rule subjectively, i.e., only for the respective agent's own measurement. We argue that the contradiction expresses the incompatibility of collapse and unitarity - resulting in different formal descriptions of a measurement - and does not allow to dismiss any specific interpretation of quantum theory.
Why This Paper Matters
- This paper contributes to the Quantum Foundations research area in the Quantum Articles archive.
- It adds a 2016 reference point for readers tracking recent quantum research.
- Recently, it has been stated that single-world interpretations of quantum theory are logically inconsistent.
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