0411005v1

related topics
{phase, path, phys}
{field, particle, equation}
{time, systems, information}
{wave, scattering, interference}
{classical, space, random}
{theory, mechanics, state}
{photon, photons, single}
{time, wave, function}
{particle, mechanics, theory}
{energy, state, states}
{light, field, probe}
{vol, operators, histories}
{state, phys, rev}
{group, space, representation}
{measurement, state, measurements}
{error, code, errors}
{cos, sin, state}

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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