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    STUDIA PHYSICA - Issue no. 1 / 2006  
         
  Article:   RESONANCE EFFECTS IN QUANTUM TRANSITIONS INDUCED BY ULTRASHORT LASER PULSES WITH HIGH REPETITION RATE.

Authors:  S. BORBÉLY, L. NAGY.
 
       
         
  Abstract:  In the present work we investigate the interaction between a quantum system and an external laser field with high repetition rate. The presence of resonance effects in the quantum transitions is shown using an analytical approach. The interaction between the system and the laser field is described by the first order approximation of the time dependent perturbation theory. In the case of photoionization we established a threshold for the repetition rate, above which these resonance effects could be measured experimentally.  
         
     
         
         
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