Convergence of the perturbation expansion in some models of the field theory
It is shown that in a class of models of quantum field theory, the perturbation expansion of the resolvent operator, (H - z)-1, converges for all complex z. The class of models eonsists of all theories with Yukawa coupling in which the vacuum polarization is neglected. The method used is that of comparison with the exactiy solvable neutral sealar model.
- Research Organization:
- Univ. of Rochester, N.Y.
- Sponsoring Organization:
- USDOE
- NSA Number:
- NSA-16-010716
- OSTI ID:
- 4809686
- Journal Information:
- Nuovo Cimento, Journal Name: Nuovo Cimento Journal Issue: 5 Vol. 22; ISSN 0029-6341
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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Convergence of the perturbation expansion in some models of the field theory
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