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Euclidean Quantum Field Theory. I. Equations for a Scalar Model
Abstract
The analytic continuations to imaginary time of the Green's functions of local quantum field theory define Euclidean Green's functions. Use of the proper-time method allows to represent these functions as multiple Wiener integrals of functionals that obey infinite systems of coupled integral equations which are similar to, and for the particular model of a complex scalar field in quadrilinear self-interaction considered here a limiting case of, systems studied in quantum statistical mechanics by Ginibre. As a consequence, the Euclidean Green's functions can for this model be obtained by a limiting process, with temperature and density going to infinity, from the reduced density matrices of a nonrelativistic Bose gas. Reduced functionals are defined and their equations determined as a prepartory step to renormalization in the super-renormalizable cases of two and three dimensions.
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Citations
Cited by
Axioms for Euclidean Green's functions
Osterwalder, K., & Schrader, R. (1973) · Communications in Mathematical Physics · doi:10.1007/bf01645738 · Cited by 928
Renormalizable models with simple symmetry breaking: I. Symmetry breaking by a source term
Symanzik, K. (1970) · Communications in Mathematical Physics · doi:10.1007/bf01645494 · Cited by 352
Self-citationField-theoretic approach to second-order phase transitions in two- and three-dimensional systems
Parisi, G. (1980) · Journal of Statistical Physics · doi:10.1007/bf01014429 · Cited by 261
Metadata
- Authors
- Symanzik, K.
- Venue
- Journal of Mathematical Physics
- Publisher
- AIP Publishing
- Published
- 1966-03-01
- Volume
- 7
- Issue
- 3
- Pages
- 510-525
- ISSN
- 0022-2488 (ISSN-L)
- 1089-7658
- OpenAlex
- W2066718121
- Cited by
- 176
- References
- 0
- FWCI
- 4.53
- Type
- journal article
- Language
- en
- Open access
- closed
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