A physical basis for the phase in Feynman path integration

Details A physical basis for the phase in Feynman path integration A physical basis for the phase in Feynman path integration

2004-10-31

arxiv.org/abs/quant-ph/0411005v1

Physics

Quantum Physics

4 pages, 4 figures

Scientific paper

In the path integral formulation of quantum mechanics, the phase factor Exp[iS(x[t])] is associated with every path x[t]. Summing this factor over all paths yields Feynman's propagator as a sum-over-paths. In the original formulation, the complex phase was a mathematical device invoked to extract wave behaviour in a particle framework. In this paper we show that the phase itself can have a physical origin in time reversal, and that the propagator can be drawn by a single deterministic path.

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