Chaotic enhancement of decay. The effect of classical phase space structure

Yosef Ashkenazy, Luca Bonci, Jacob Levitan, Roberto Roncaglia

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Abstract

We investigate the decay process from a time dependent potential well in the semiclassical regime. The classical dynamics is chaotic and the decay rate shows an irregular behavior as a function of the system parameters. By studying the weak-chaos regime we are able to connect the decay irregularities to the presence of nonlinear resonances in the classical phase space. A quantitative analytical prediction which accounts for the numerical results is obtained.
Original languageEnglish GB
Pages (from-to)056215
JournalPhysical Review E
Volume64
StatePublished - 2001

Keywords

  • chao-dyn
  • cond-mat
  • nlin.CD

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