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Composite systems and state transformations in topos quantum theory. (arXiv:1605.06936v2 [quant-ph] UPDATED)
来源于:arXiv
Topos quantum theory provides representations of quantum states as direct
generalizations of the probability distribution, namely probability valuation.
In this article, we consider extensions of a known bijective correspondence
between quantum states and probability valuations to composite systems and to
state transformations. We show that multipartite probability valuations on
composite systems have a bijective correspondence to positive over pure tensor
states, according to a candidate definition of the composite systems in topos
quantum theory. Among the multipartite probability valuations, a special
attention is placed to Markov chains which are defined by generalizing
classical Markov chains from probability theory. We find an incompatibility
between the multipartite probability valuations and a monogamy property of
quantum states, which trivializes the Markov chains to product probability
valuations. Several observations on the transformations of probability
valuations are deduc 查看全文>>