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Type: Artigo de periódico
Title: An initial value representation for the coherent state propagator with complex trajectories
Author: de Aguiar, MAM
Vitiello, SA
Grigolo, A
Abstract: We present an initial value representation for the semiclassical coherent state propagator based on complex trajectories. We map the complex phase space into a real one with twice as many dimensions and introduce initial valued trajectories in this double phase space. We use a procedure to eliminate non-contributing trajectories that allows for the automation of the entire calculation, rendering it simple. The resulting semiclassical formulas do not show divergences due to caustics and provide accurate results in short computational times. (C) 2010 Elsevier B.V. All rights reserved.
Subject: Semiclassical methods
Coherent states
Initial value representations
Complex trajectories
Country: Holanda
Editor: Elsevier Science Bv
Rights: fechado
Identifier DOI: 10.1016/j.chemphys.2010.01.020
Date Issue: 2010
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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