Does quantum time have a preferred direction?

Abstract

This paper states and proves a precise sense in which, if all the measurable properties of an ordinary quantum mechanical system are ultimately derivable from position, then time in quantum mechanics can have no preferred direction. In particular, I show that when the position observable forms a complete set of commuting observables, Galilei invariant quantum mechanics is guaranteed to be time reversal invariant.

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Bryan W. Roberts
London School of Economics

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References found in this work

Time and chance.David Z. Albert - 2000 - Cambridge, Mass.: Harvard University Press.
The Metaphysics within Physics.[author unknown] - 2007 - Tijdschrift Voor Filosofie 69 (3):610-611.
Time and Chance.S. French - 2005 - Mind 114 (453):113-116.

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