The Semiclassical Description of Tunneling in Scattering with Multiple Degrees of Freedom

Details The Semiclassical Description of Tunneling in Scattering with Multiple Degrees of Freedom The Semiclassical Description of Tunneling in Scattering with Multiple Degrees of Freedom

1999-01-05

arxiv.org/abs/hep-ph/9901226v1

Phys.Rev. D60 (1999) 076004

Physics

High Energy Physics

High Energy Physics - Phenomenology

33 pages, 8 figures, latex with graphicx

Scientific paper

10.1103/PhysRevD.60.076004

We describe a computational investigation of tunneling at finite energy in a weakly coupled quantum mechanical system with two degrees of freedom. We compare a full quantum mechanical analysis to the results obtained by making use of a semiclassical technique developed in the context of instanton-like transitions in quantum field theory. This latter technique is based on an analytic continuation of the degrees of freedom into a complex phase space, and the simultaneous analytic continuation of the equations of motion into the complex time plane.

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