CONVERGENCE OF PERTURBATION EXPANSIONS IN MESON THEORIES WITHOUT VACUUM POLARIZATION
Journal Article
·
· Nuovo Cimento (Italy) Divided into Nuovo Cimento A and Nuovo Cimento B
It is shown for cut-off meson theories with Yukawa coupling and no vacuum polarlzation that the perturbation expansion of the resolvent operator (H + OMEGA )/sup -1/ converges and is analytic in OMEGA for all complex and sufficiently positive real OMEGA . A consequence is the boundedness of the spectrum from below. Convergence of the renormalization constants is demonstrated. The method used is that of comparison with the exactly-solvable neutral scalar model. (auth)
- Research Organization:
- Univ. of Rochester, N.Y.
- Sponsoring Organization:
- USDOE
- NSA Number:
- NSA-16-018336
- OSTI ID:
- 4841005
- Journal Information:
- Nuovo Cimento (Italy) Divided into Nuovo Cimento A and Nuovo Cimento B, Journal Name: Nuovo Cimento (Italy) Divided into Nuovo Cimento A and Nuovo Cimento B Vol. Vol: (10), 23; ISSN NUCIA
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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