Prog. Theor. Phys. Vol. 89 No. 1 (1993) pp. 197-204

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Dynamical Symmetry Breaking on Langevin Equation

— Nambu-Jona-Lasinio Model —

Kenji Ikegami, Riuji Mochizuki^* and Kazuhiro Yoshida^*

Graduate School of Science and Technology, Chiba University, Chiba 263
^*Department of Physics, Faculty of Science, Chiba University, Chiba 263

(Received July 1, 1992)

Abstract:

In order to investigate dynamical symmetry breaking, we study Nambu-Jona-Lasinio model in the large-N limit in the stochastic quantization method. Here in order to solve the Langevin equation, we impose specified initial conditions and construct “effective Langevin equation” in the large-N limit and give the same non-perturbative results as path-integral approach gives. Moreover we discuss stability of vacuum by means of “effective potential”.

URL : http://ptp.ipap.jp/link?PTP/89/197/
DOI : 10.1143/PTP.89.197

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Citing Article(s) :

Progress of Theoretical Physics Vol. 89 No. 1 (1993) pp. 275-279 :
Large N Limit on Langevin Equation

Riuji Mochizuki and Kazuhiro Yoshida
Progress of Theoretical Physics Vol. 92 No. 1 (1994) pp. 205-211 :
Supersymmetry in Stochastic Quantization Method and Field-Dependent Kernel

Kenji Ikegami