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Chaotic enhancement in microwave ionization of Rydberg atoms

  • G. Benenti
  • G. Casati
  • D.L. Shepelyansky

Abstract:

The microwave ionization of internally chaotic Rydberg atoms is studied analytically and numerically. The internal chaos is induced by magnetic or static electric fields. This leads to a chaotic enhancement of microwave excitation. The dynamical localization theory gives a detailed description of the excitation process even in a regime where up to few thousands photons are required to ionize one atom. Possible laboratory experiments are also discussed.

PACS. 32.80.Rm Multiphoton ionization and excitation to highly excited states (e.g., Rydberg states) - 05.45.+b Theory and models of chaotic systems - 72.15.Rn Quantum localization 

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Copyright information

© EDP Sciences, Springer-Verlag 1999

Authors and Affiliations

  • G. Benenti
    • 1
  • G. Casati
    • 1
  • D.L. Shepelyansky
    • 2
  1. 1.International Centre for the Study of Dynamical Systems, Università di Milano, Sede di Como, via Lucini 3, 22100 Como, ItalyIT
  2. 2.Laboratoire de Physique Quantique (UMR C5626 du CNRS), Université Paul Sabatier, 31062 Toulouse, FranceFR

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