04-18 Adami R., Figari R., Finco D., Teta A.

On the asymptotic behaviour of a quantum two-body system in the small mass ratio limit (49K, LATeX 2e) Jan 23, 04

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Abstract. We consider a quantum system of two particles in dimension three interacting via a smooth potential. We characterize the asymptotic dynamics in the limit of small mass ratio for an initial state given in product form, with an explicit control of the error. An application to the decoherence effect produced on the heavy particle is also discussed.

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