Monte Carlo path integration for the real time propagator
Monte Carlo methods are described for evaluating the Feynman path integral representation
of the (real time) propagator (time evolution operator), exp (-iHt/-li). The approach is based
on the modified Filinov algorithm presented earlier by Makri and Miller [Chem. Phys. Lett.
139, 10 (1987)]. Numerical calculations are presented for time evolution in a symmetric
double well potential, as well as in a Morse potential.
of the (real time) propagator (time evolution operator), exp (-iHt/-li). The approach is based
on the modified Filinov algorithm presented earlier by Makri and Miller [Chem. Phys. Lett.
139, 10 (1987)]. Numerical calculations are presented for time evolution in a symmetric
double well potential, as well as in a Morse potential.
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