Semiclassical scattering on conical intersections |
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| Authors: | Piryatinski Andrei Stepanov Misha Tretiak Sergei Chernyak Vladimir |
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| Institution: | Center for Nonlinear Studies, Theoretical Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA. apiryat@lanl.gov |
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| Abstract: | We apply a semiclassical approach to the scattering problem of a vibrational wave packet in the vicinity of a conical intersection of electronic energy surfaces and derive analytical expressions for the scattering matrix. The latter are valid when the scattering length that scales as square root(h) is small and a wave packet passes through the scattering region with a constant velocity. The analytical results are in excellent agreement with numerical simulations for a realistic set of parameters. |
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