Effective theory of systems coupled strongly to rapidly-varying external sources

Details Effective theory of systems coupled strongly to rapidly-varying external sources Effective theory of systems coupled strongly to rapidly-varying external sources

2001-02-23

arxiv.org/abs/physics/0102074v1

Physics

General Physics

17 pages, 3 figures. Requires REVTX and epsf macro-packages

Scientific paper

10.1103/PhysRevA.63.062104

We consider quantum systems which interact strongly with a rapidly varying environment and derive a Schrodinger-like equation which describes the time evolution of the average wave function. We show that the corresponding Hamiltonian can be taken to be Hermitian provided all states are rotated using an appropriate unitary transformation. The formalism is applied to a variety of systems and is compared and contrasted with related results describing stochastic resonances.

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