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Type: Artigo de periódico
Title: Initial Value Representation For The Su(n) Semiclassical Propagator.
Author: Viscondi, Thiago F
de Aguiar, Marcus A M
Abstract: The semiclassical propagator in the representation of SU(n) coherent states is characterized by isolated classical trajectories subjected to boundary conditions in a doubled phase space. In this paper, we recast this expression in terms of an integral over a set of initial-valued trajectories. These trajectories are monitored by a filter that collects only the appropriate contributions to the semiclassical approximation. This framework is suitable for the study of bosonic dynamics in n modes with fixed total number of particles. We exemplify the method for a Bose-Einstein condensate trapped in a triple-well potential, providing a detailed discussion on the accuracy and efficiency of the procedure.
Citation: The Journal Of Chemical Physics. v. 134, n. 23, p. 234105, 2011-Jun.
Rights: aberto
Identifier DOI: 10.1063/1.3601344
Date Issue: 2011
Appears in Collections:Unicamp - Artigos e Outros Documentos

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