Remarks on a Stochastic Quantization of Scalar Fields
- 1 February 1983
- journal article
- Published by Oxford University Press (OUP) in Progress of Theoretical Physics
- Vol. 69 (2), 664-673
- https://doi.org/10.1143/ptp.69.664
Abstract
The Langevin equation approach to derive (non)equilibrium-distribution correlation functions for scalar fields is examined. Regularization introduced by the auxiliary time renders the parameters of the Langevin equation finite in the case of super-renormalizable models while causing no change in the boundary between renormalizability and nonrenormalizability. An heuristic central-limit-type argument is suggested to understand the free-field behavior of nonrenormalizable (φ4)n models, n>4.Keywords
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