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- W4313537269 abstract "Abstract We perform quantum trajectory simulations of the decay dynamics of initially localized resonant states. Quantum dynamics is represented by a swarm of interacting trajectories which maps the originally quantum problem into the motion of an equivalent (higher-dimensional) classical system. We address two model problems, in which the decay of the initial resonance leads to either spatially confined or asymptotically free wave-packet dynamics, specifically on a double well potential and on a potential plain. The traditional choice of fixed boundary conditions in the interacting trajectory representation (ITR), set at infinity, is found to have a moderate influence on the accuracy of the ITR of quantum trajectory dynamics, for the motion on a double well potential, i.e. the results of the trajectory-based scheme are in good correspondence with those obtained via quantum wave-packet propagation up to several fundamental vibrational periods. On the other hand, standard boundary conditions have negligible effect on the interacting trajectory dynamics of a decaying shape resonance, whose predictions reproduce quantum mechanical results at long times." @default.
- W4313537269 created "2023-01-06" @default.
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- W4313537269 date "2023-01-30" @default.
- W4313537269 modified "2023-10-17" @default.
- W4313537269 title "Interacting trajectory representation of quantum dynamics: influence of boundary conditions on the tunneling decay of resonant states" @default.
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- W4313537269 doi "https://doi.org/10.1088/1361-6455/acb0b0" @default.
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