XXIX Workshop on Geometric Methods in Physics 27.06-03.07.2010

Peter Bryant

Asymmetric time evolution and indistinguishable events

With a choice of boundary conditions for the dynamical equations of quantum mechanics, even for closed systems one finds asymmetric time evolution described by a one-parameter semigroup. Furthermore, one cannot identify the parameter with time coordinates. When treating open systems, there results a new formalism in which one can address the indistinguishability of experimental ensemble members.

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