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Type: Artigo de periódico
Title: Phase-space approach to the tunnel effect: A new semiclassical traversal time
Author: Xavier, AL
deAguiar, MAM
Abstract: We determine the semiclassical coherent-state propagator for a particle going through one-dimensional evolution in a simple barrier potential. The described semiclassical method makes use of complex trajectories which, by its turn, enables the definition of (real) traversal times in the complexified phase space. We then discuss the behavior of this time for a wave packet whose average energy is below the barrier height.
Country: EUA
Editor: American Physical Soc
Rights: aberto
Identifier DOI: 10.1103/PhysRevLett.79.3323
Date Issue: 1997
Appears in Collections:Unicamp - Artigos e Outros Documentos

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