Quantum Phase Spase Representation for Double Well Potential

Details Quantum Phase Spase Representation for Double Well Potential Quantum Phase Spase Representation for Double Well Potential

2002-08-19

arxiv.org/abs/physics/0208070v1

Physics

Chemical Physics

9 pages, 15 figures

Scientific paper

A behavior of quantum states (superposition of two lowest eigenstates, Gaussian wave packet) in phase space is studied for one and two dimensional double well potential. Two dimensional potential is constructed from double well potential coupled linearly and quadratically to harmonic potential. Quantum trajectories are compared with classical ones. Preferable tunneling path in phase space is found. An influence of energy of initial Gaussian wave packet and trajectory initial condition on tunneling process is analyzed.. Coupling effect on trajectories and preferable tunneling path for two dimensional potential is studied.

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