期刊
FOUNDATIONS OF PHYSICS
卷 33, 期 11, 页码 1561-1591出版社
SPRINGER
DOI: 10.1023/A:1026056716397
关键词
quantum theory; information-theoretic constraints
We show that three fundamental information-theoretic constraints - the impossibility of superluminal information transfer between two physical systems by performing measurements on one of them, the impossibility of broadcasting the information contained in an unknown physical state, and the impossibility of unconditionally secure bit commitment - suffice to entail that the observables and state space of a physical theory are quantum-mechanical. We demonstrate the converse derivation in part, and consider the implications of alternative answers to a remaining open question about nonlocality and bit commitment.
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