Path-Integrals and the WKB ApproximationAmerican Journal of Physics (1982)
AbstractThe WKB approximation is demonstrated to be formally identical to the semiclassical limit of the Feynman path integral propagator. In the limit that the path integral propagator is dominated by the classical particle trajectory, it is identical to the propagator calculated directly from WKB wave functions in the stationary phase approximation.
Citation InformationBR Holstein and AR Swift. "Path-Integrals and the WKB Approximation" American Journal of Physics Vol. 50 Iss. 9 (1982)
Available at: http://works.bepress.com/barry_holstein/40/