Applications of Multichannel Quantum Defect Theory to Collision Processes

  • Annick Giusti-Suzor
  • Ioan F. Schneider
Part of the NATO ASI Series book series (NSSB, volume 321)


During the last decade the frontier between collision theory and atomic or molecular structure studies has become more and more permeable, in both ways. It is mainly due to the developments of powerful experimental techniques (laser, synchrotron radiation) which allow a new insight into very excited spectral regions where bound states and continua are mixed. On the other hand, the increasing energy resolution in scattering experiments yields detailed informations on the resonances arising in collision cross-sections, due to temporary capture into excited bound states of the compound system. The theoretical treatments of these processes must therefore deal simultaneously and coherently with bound states and continua, and often with different kinds of continua (e.g. ionization and dissociation, see fig.1). The multichannel quantum defect theory (MQDT) allows such a unified approach.


Internuclear Distance Rydberg State Quantum Defect Dissociative Recombination Dissociative State 
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Copyright information

© Springer Science+Business Media New York 1994

Authors and Affiliations

  • Annick Giusti-Suzor
    • 1
    • 2
  • Ioan F. Schneider
    • 3
    • 4
  1. 1.Laboratoire de Chimie-PhysiqueParisFrance
  2. 2.Laboratoire de Photophysique MoléculaireUniversité Paris-SudOrsayFrance
  3. 3.Laser DepartmentInstitute of Atomic PhysicsBucharest-Magurele Romania
  4. 4.Laboratoire des Collisions Atomiques et MoléculairesUniversité Paris-SudOrsayFrance

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