Dynamical time versus system time in quantum mechanics
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Properties of an operator representing the dynamical time in the extended parameterization invariant formulation of quantum mechanics are studied. It is shown that this time operator is given by a positive operator measure analogously to the quantities that are known to represent various measurable time operators. The relation between the dynamical time of the extended formulation and the best known example of the system time operator, i.e., for the free one-dimensional particle, is obtained.
Keywords:time operators / extended state space / positive operator valued measure
Source:Chinese Physics B, 2012, 21, 7
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