Proper Time for Spin 1/2 Particles

Details Proper Time for Spin 1/2 Particles Proper Time for Spin 1/2 Particles

2005-08-05

arxiv.org/abs/quant-ph/0508046v1

Physics

Quantum Physics

15 pages, no figure

Scientific paper

We find a quantum mechanical formulation of proper time for spin 1/2 particles within the framework of the Dirac theory. It is shown that the rate of proper time can be represented by an operator called the ` ` tempo operator'', and that the proper time itself be given by the integral of the expectation value of the operator. The tempo operator has some terms involving the Pauli spin matrices, and the evolution of the proper time is influenced by the spin state via these terms. The relation between the tempo operator and the metric tensor is elucidated.

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