STOCHASTIC QUANTIZATION OF FERMIONIC THEORIES - RENORMALIZATION OF THE MASSIVE THIRRING MODEL
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Data
1992-12-30
Autores
Brunelli, J. C.
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World Scientific Publ Co Pte Ltd
Resumo
Using the Langevin approach for stochastic processes, we study the renormalizability of the massive Thirring model. At finite fictitious time, we prove the absence of induced quadrilinear counterterms by verifying the cancellation of the divergencies of graphs with four external lines. This implies that the vanishing of the renormalization group beta function already occurs at finite times.
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International Journal of Modern Physics A. Singapore: World Scientific Publ Co Pte Ltd, v. 7, n. 32, p. 7943-7954, 1992.