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versión On-line ISSN 0719-0646

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BRETEAUX, Sébastien. Higher order terms for the quantum evolution of a Wick observable within the Hepp method. Cubo [online]. 2012, vol.14, n.2, pp. 91-109. ISSN 0719-0646.  http://dx.doi.org/10.4067/S0719-06462012000200006.

The Hepp method is the coherent state approach to the mean field dynamics for bosons or to the semiclassical propagation. A key point is the asymptotic evolution of Wick observables under the evolution given by a time-dependent quadratic Hamiltonian. This article provides a complete expansion with respect to the small parameter Descripción: http:/fbpe/img/cubo/v14n2/art06-01.jpgwhich makes sense within the infinite-dimensional setting and fits with finite-dimensional formulae.

Palabras llave : Mean field limit; semiclassical limit; coherent states; squeezed states.

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