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4 August 2003 Qubit decoherence and Wigner's friend
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Abstract
Following a review of the physics of quantum decoherence, an instructive comparison is made between the mathematical description of qubit decoherence due to interaction with the environment, and certain aspects of the problem of Wigner's friend.
© (2003) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Howard E. Brandt "Qubit decoherence and Wigner's friend", Proc. SPIE 5105, Quantum Information and Computation, (4 August 2003); https://doi.org/10.1117/12.485864
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