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nlin.CD2005
Uniform approximation of barrier penetration in phase space
Christopher S. Drew, Stephen C. Creagh, Richard H. Tew
A method to approximate transmission probabilities for a nonseparable multidimensional barrier is applied to a waveguide model. The method uses complex barrier-crossing orbits to r…
nlin.CD2005
Semiclassical transmission across transition states
Stephen C. Creagh
It is shown that the probability of quantum-mechanical transmission across a phase space bottleneck can be compactly approximated using an operator derived from a complex Poincaré…