Prog. Theor. Phys. Vol. 57 No. 4 (1977) pp. 1197-1208

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Equation of State in 1/n Expansion

— n-Vector Model in the Presence of Magnetic Field —

Department of Pure and Applied Sciences, University of Tokyo, Komaba, Tokyo 153
^*Research Institute for Fundamental Physics, Kyoto University, Kyoto 606

(Received October 4, 1976)

Abstract:

The classical n-vector model in the presence of magnetic field is studied by 1/n expansion. A detailed discussion is given of the equation of state up to order 1/n. As an application, the critical temperature and a universal amplitude ratio are investigated.

URL : http://ptp.ipap.jp/link?PTP/57/1197/
DOI : 10.1143/PTP.57.1197

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