The property lattice of spatially separated quantum systems |
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| Affiliation: | Depts of Mathematics and of Physics, University of Rochester, Rochester, N.Y. 14627, USA |
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| Abstract: | We consider a quantum system composed of two subsystems. Among the properties of this system we study the set of those that can be tested when the subsystems are spatially separated. We show that not all properties satisfy this criterion, but that there are enough such properties to characterize any pure state of the composed system. |
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