# Probability relations between separated systems

@article{Schrdinger1936ProbabilityRB, title={Probability relations between separated systems}, author={Erwin Schr{\"o}dinger}, journal={Mathematical Proceedings of the Cambridge Philosophical Society}, year={1936}, volume={32}, pages={446 - 452} }

The paper first scrutinizes thoroughly the variety of compositions which lead to the same quantum-mechanical mixture (as opposed to state or pure state). With respect to a given mixture every state has a definite probability (or mixing fraction) between 0 and 1 (including the limits), which is calculated from the mixtures Statistical Operator and the wave function of the state in question. A well-known example of mixtures occurs when a system consists of two separated parts. If the wave…

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