Thomas Pashby
University of Chicago
This paper provides a general method for defining a generalized quantum observable that supplies properly normalized conditional probabilities for the time of occurrence. This method treats the time of occurrence as a probabilistic variable whose value is to be determined by experiment and predicted by the Born rule. This avoids the problematic assumption that a question about the time at which an event occurs must be answered through instantaneous measurements of a projector by an observer, common to both Rovelli and Oppenheim et al.. I also address the interpretation of experiments purporting to demonstrate the quantum Zeno effect, used by Oppenheim et al. to justify an inherent uncertainty for measurements of times.
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Changes in Events and Changes in Things.Arthur N. Prior - 1962 - In Tim Crane & Katalin Farkas (eds.), Metaphysics: A Guide and Anthology. Oxford University Press.
The Free Will Theorem.John Conway & Simon Kochen - 2006 - Foundations of Physics 36 (10):1441-1473.
Time and Quantum Theory: A History and a Prospectus.Thomas Pashby - 2015 - Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics 52 (Part A):24-38.

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