Phase space caustics in multi-component systems

Details Phase space caustics in multi-component systems Phase space caustics in multi-component systems

1998-01-14

arxiv.org/abs/quant-ph/9801026v1

Phys. Rev. Lett. 80, 1414 (1998)

Physics

Quantum Physics

6 pages, 7 ps figures, To appear in Phys. Rev. Lett

Scientific paper

10.1103/PhysRevLett.80.1414

As examples of quantum-"classical" coupling systems, multi-component systems are studied by semiclassical evaluations of the Feynman kernels in the coherent-state representation. From the observation of the phase space caustics due to the presence of the internal degree of freedom (IDF), two phenomena are explained in terms of the semiclassical theory: (1) The quantum oscillations of the IDF induce quantum interference patterns in the Hushimi representation; (2) Chaotic dynamics destroys the coherence of the quantum oscillations.

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