A Representation of Quantum Measurement in Order-Unit Spaces
arXiv:1001.3633 · doi:10.1007/s10701-008-9236-y
Abstract
A certain generalization of the mathematical formalism of quantum mechanics beyond operator algebras is considered. The approach is based on the concept of conditional probability and the interpretation of the Lueders - von Neumann quantum measurement as a probability conditionalization rule. A major result shows that the operator algebras must be replaced by order-unit spaces with some specific properties in the generalized approach, and it is analyzed under which conditions these order-unit spaces become Jordan algebras. An application of this result provides a characterization of the projection lattices in operator algebras.
12 pages, the original publication is available at htt://www.springerlink.com
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