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cond-mat2003
Variational Approach to the Dynamics of Bose-Einstein Condensates.I --Variational Ansatz and Quantum Dynamics--
Y. Tsue, D. Vautherin, T. Matsui
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…
cond-mat1993
Two-Phonon States in Alkali-Metal Clusters
Abdellatif Abada, Dominique Vautherin
Two phonon-states of alkali-metal clusters (treated as jellium spheres) are calculated by using a method based on a perturbative construction of periodic orbits of the time-depende…