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Complex saddle trajectories for multidimensional quantum wave packet and coherent state propagation: Application to a many-body system

Tomsovic, Steven


A practical search technique for finding the complex saddle points used in wave packet and coherent state propagation is developed which works for a large class of Hamiltonian dynamical systems with many degrees of freedom. The method can be applied to problems in atomic, molecular, and optical physics and other domains. A Bose-Hubbard model is used to illustrate the application to a many-body ...


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