Zeitschrift für Physik A Hadrons and Nuclei

, Volume 355, Issue 1, pp 107–109 | Cite as

Single-particle properties in an exactly solvableA-body system

  • D. Van Neck
  • A. E. L. Dieperink
  • M. Waroquier
Short Note


A recent theorem states that for quantum manybody systems with short-range interactions the following property holds: the single-particle overlap functions, spectroscopic factors and separation energies of bound eigenstates of the (A−1)-particle system are fully determined by the one-body density matrix of theA-particle system in its ground state. We confirm this property, by explicit construction, for the case of a schematic, exactly solvable system.


24.10.Cn 21.60.-n 21.10.Pc 


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Copyright information

© Springer-Verlag 1996

Authors and Affiliations

  • D. Van Neck
    • 1
    • 2
  • A. E. L. Dieperink
    • 1
  • M. Waroquier
    • 2
  1. 1.Kernfysisch Versneller InstituutGroningenThe Netherlands
  2. 2.Laboratory for Theoretical PhysicsGentBelgium

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