Large N Limit on Langevin Equation: Two-Dimensional Nonlinear Sigma Model

Details Large N Limit on Langevin Equation: Two-Dimensional Nonlinear Sigma Model Large N Limit on Langevin Equation: Two-Dimensional Nonlinear Sigma Model

1992-12-22

arxiv.org/abs/hep-th/9212131v1

Prog.Theor.Phys. 89 (1993) 275-280

Physics

High Energy Physics

High Energy Physics - Theory

8 pages (Plain TeX), CHIBA-EP-63-Rev

Scientific paper

10.1143/PTP.89.275

We study the stochastic quantization of two-dimensional nonlinear sigma model
in the large $N$ limit. Our main tool is the {\it effective} Langevin equation
with which we investigate nonperturbative phenomena and derive the results
which are same as the path integral approach gives.

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