Coherent states for the anharmonic oscillator and classical phase space trajectories

Details Coherent states for the anharmonic oscillator and classical phase space trajectories Coherent states for the anharmonic oscillator and classical phase space trajectories

1997-07-17

arxiv.org/abs/quant-ph/9707032v1

Physics

Quantum Physics

8 pages, Latex

Scientific paper

Unique set of coherent states for the anharmonic oscillator is obtained by requiring i. under the quantum mechanical time evolution a coherent state evolves into another, governed by trajectory in the classical phase space (of a related hamiltonian); ii. the resolution of identity involves exactly the classical phase space measure.The rules are invariant under unitary transformations of the quantum theory and canonical transformations of the classical theory. The states are almost, but not quite, minimal uncertainty wave packets. The construction can be generalized to quantum versions of integrable classical theories.

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