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Measurement interpretation and information measures in general probabilistic theory

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Wu Z., Zhu C., Zhang X.
Open Physics
|
2013
|
vol. 11
|
issue 3
317-324
EN
The incompatibility of dynamics postulate (unitary evolution) and the measurement postulate (wave-packet collapse) of quantum mechanics has recently been solved by Zurek from an information transfer perspective. Luo gave his derivation by relaxing the repeatability postulate. In this paper, we reconsider Luo’s derivation in the setting of general probabilistic theory (GPT). We also introduce the concept of sub- and super-fidelity in GPT and discuss their properties.
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