Phys. Rev. 166, 1293–1298 (1968)Proper-Time Formulation of Quantum MechanicsReceived 27 September 1967; published in the issue dated February 1968 A quantum theory of relativistic scalar particles is developed in which the proper time τ is central. The unitarity and conservation laws which the theory exhibits with respect to τ are given acceptable physical interpretations. The problem of potential scattering of wave packets yields a result in agreement with Pauli-Weisskopf theory, except for the absence of vacuum processes. There is evidence that a finite theory of interacting particles is possible in the proper-time framework. © 1968 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRev.166.1293
DOI:
10.1103/PhysRev.166.1293
PACS:
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