Evolution of a model quantum system under time periodic forcing : conditions for complete ionization

  title={Evolution of a model quantum system under time periodic forcing : conditions for complete ionization},
  author={Ovidiu Costin and Rodica D. Costin and J. L. Lebowitz and Alexander Rokhlenko},
We analyze the time evolution of a one-dimensional quantum system with an attractive delta function potential whose strength is subjected to a time periodic (zero mean) parametric variation η(t). We show that for generic η(t), which includes the sum of any finite number of harmonics, the system, started in a bound state will get fully ionized ast → ∞. This is irrespective of the magnitude or frequency (resonant or not) of η(t). There are however exceptional, very non-generic η(t), that do not… CONTINUE READING
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