Acta Physica Academiae Scientiarum Hungaricae

, Volume 19, Issue 1–4, pp 147–152 | Cite as

Sum rules in the quantum field theory and in the many-body problem

  • A. Zawadowski
  • G. Pócsik
Morning Session


In case of interacting fermion systems integral restrictions are derived for the spectral functions of the simplest Green’s functions. Some applications are shown.


Spectral Function Integral Relation Fermion Field Commutation Rule Pole Approximation 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Правила сумм в квантовой теории поля и в теории многих тел


В случае взаимодействующых фермионных систем интегральные ограничения для спектральных функций простейших функций Грина. Показаны некоторые их применения.


Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.


  1. 1.
    G. Pócsik, Nucl. Phys.,49, 286, 1963.CrossRefGoogle Scholar
  2. 2.
    G. Pócsik, Nuovo Cim.,20, 201, 1961.MATHCrossRefGoogle Scholar
  3. 3.
    Y. Nambu andG. Jona-Lasinio, Phys. Rev.,122, 345, 1961.CrossRefADSGoogle Scholar
  4. 4.
    H. Umezava, Y. Takahashi andS. Kamefuchi, preprint.Google Scholar
  5. 5.
    A. Zawadowski andG. Pócsik, Phys. Lett.,7, 173, 1963.CrossRefADSMathSciNetGoogle Scholar
  6. 6.
    G. Pócsik andA. Zawadowski, Nuovo Cim.,32, 1110, 1964.CrossRefGoogle Scholar
  7. 7.
    J. G. Valatin, Nuovo Cim.,7, 843, 1958.CrossRefMathSciNetGoogle Scholar
  8. 8.
    Cs. Hargitai, Phys. Lett.,10, 65, 1964.CrossRefADSGoogle Scholar

Copyright information

© with the authors 1965

Authors and Affiliations

  • A. Zawadowski
    • 1
  • G. Pócsik
    • 2
  1. 1.Central Research Institute for PhysicsBudapest
  2. 2.Institute for Theoretical PhysicsRoland Eötvös UniversityBudapest

Personalised recommendations