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Acta Physica Academiae Scientiarum Hungaricae

, Volume 16, Issue 2, pp 165–167 | Cite as

The Hellmann-Feynman theorem in the variational method

  • R. Gáspár
Communicationes Breves

Keywords

Theoretical Physic Variational Parameter Variational Method Acta Phys Atomic System 
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References

  1. 1.
    H. Hellmann, Einführung in die Quantenchemie, F. Deuticke, Leipzig, 1937;R. O. Feynman, Phys. Rev.,56, 340, 1939.Google Scholar
  2. 2.
    E. A. Hylleraas, Zs. f. Phys.,48, 469, 1928; ibid.,54, 347, 1929;E. A. Hylleraas andB. Undheim, ibid.,65, 759, 1930.CrossRefADSGoogle Scholar

Copyright information

© with the authors 1963

Authors and Affiliations

  • R. Gáspár
    • 1
    • 2
  1. 1.Institute for Theoretical PhysicsKossuth Lajos UniversityDebrecen
  2. 2.Research Group for Theoretical PhysicsHungarian Academy of SciencesBudapest

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