A general perspective on time observables

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Abstract

I propose a general geometric framework in which to discuss the existence of time observables. This framework allows one to describe a local sense in which time observables always exist, and a global sense in which they can sometimes exist subject to a restriction on the vector fields that they generate. Pauli[U+05F3]s prohibition on quantum time observables is derived as a corollary to this result. I will then discuss how time observables can be regained in modest extensions of quantum theory beyond its standard formulation. © 2014 Elsevier Ltd.

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Roberts, B. W. (2014). A general perspective on time observables. Studies in History and Philosophy of Science Part B - Studies in History and Philosophy of Modern Physics, 47(1), 50–54. https://doi.org/10.1016/j.shpsb.2014.05.001

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