Abstract
The nonunique decomposability of mixtures into pure states, the occurrence of dispersion for pure states, the existence of coherent superpositions of pure states, and the non-Boolean structure of the associated logic are typical quantum features. Connections among these properties are examined in the general framework of the so-called convex description.
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Beltrametti, E.G., Bugajski, S. Decomposability of mixed states into pure states and related properties. Int J Theor Phys 32, 2235–2244 (1993). https://doi.org/10.1007/BF00672995
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DOI: https://doi.org/10.1007/BF00672995