Landau-Zener Problem for Trilinear Hamiltonians

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We consider a nonlinear version of the Landau-Zener problem, focusing on photoassociation of a Bose-Einstein condensate as a specific example. Contrary to the exponential rate dependence obtained for the linear problem, a series expansion technique indicates that, when the resonance is crossed slowly, the probability for failure of adiabaticity is directly proportional to the rate at which the resonance is crossed.
4.5 pages, 1 figure, transferred to PRA; v2 adds discussion, clarification, and explicit numbers for Na and 87Rb

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Atomic Physics, Chemical Physics

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http://salesiana.dossiersoluciones.com/handle/123456789/84688

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/physics/0205018
 http://arxiv.org/abs/physics/0205018
 Phys. Rev. A 69, 043612 (2004)
 doi:10.1103/PhysRevA.69.043612

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arXiv