Variational Approach to the Dynamics of Bose-Einstein Condensates.I -Variational Ansatz and Quantum DynamicsReportar como inadecuado



 Variational Approach to the Dynamics of Bose-Einstein Condensates.I -Variational Ansatz and Quantum Dynamics


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Variational method is applied to describe Bose-Einstein condensates BEC interacting via a pseudo-potential, taking into account quantum fluctuations around the mean field by the Gaussian approximation. Contributions from the pair-wise scattering by the singular potential should be removed carefully to avoid double countings in the perturbation series in terms of original bare interaction. We show that this procedure removes all dangerous terms which contain divergences.



Autor: Y. Tsue; D. Vautherin; T. Matsui

Fuente: https://archive.org/







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