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| related topics |
| {phase, path, phys} |
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A physical basis for the phase in Feynman path integration
G. N. Ord, J. A. Gualtieri, R. B. Mann
abstract: 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.
- oai_identifier:
- oai:arXiv.org:quant-ph/0411005
- categories:
- quant-ph
- comments:
- 4 pages, 4 figures
- arxiv_id:
- quant-ph/0411005
- created:
- 2004-10-31
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