Structure of T- and S-Matrices in Unphysical Sheets and Resonances in Three-Body Systems

  • A. K. Motovilov
  • E. A. Kolganova
Part of the Few-Body Systems book series (FEWBODY, volume 10)


Algorithm, based on explicit representations for the analytic continuation of Faddeev components of the three-body T-matrix in unphysical energy sheets, is employed to study mechanism of disappearance and formation of the Efimov levels of the helium 4He trimer.


Riemann Surface Analytic Continuation Virtual Level Physical Sheet Faddeev Component 
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Copyright information

© Springer-Verlag/Wien 1999

Authors and Affiliations

  • A. K. Motovilov
    • 1
    • 2
  • E. A. Kolganova
    • 2
  1. 1.Physikalishes Institut der Universität BonnBonnGermany
  2. 2.Joint Institute for Nuclear ResearchDubna, Moscow regionRussia

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