Non-adiabatic transitions at a continuum edge

  • S. Pellegrin
  • A. Sarfati
  • V.M. Akulin
  • 37 Downloads

Abstract:

We consider interaction of a single level with a broad, tending to semi-infinite continuum. In an example of two exactly solvable problems, we show that for time dependent quantum systems the probability of the irreversible transition from a discrete level to a continuum is strongly inhibited or even completely suppressed by the presence of a discrete adiabatic level near the continuum edge.

PACS. 03.65.-w Quantum mechanics – 34.10.+x General theories and models of atomic and molecular collisions and interactions (including statistical theories, transition state, stochastic and trajectory models, etc.) – 36.40.-c Atomic and molecular clusters 

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Copyright information

© EDP Sciences, Springer-Verlag, Società Italiana di Fisica 2003

Authors and Affiliations

  • S. Pellegrin
    • 1
  • A. Sarfati
    • 1
  • V.M. Akulin
    • 1
  1. 1.Laboratoire Aimé Cotton, CNRS II, bâtiment 505, 91405 Orsay Cedex, FranceFR

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