Monte Carlo Simulations of Classical O(2) Model on Nice Tree and Bethe Lattice

Chin. Phys. Lett.

1996, Vol. 13

Issue (7): 496-499 DOI:

Original Articles

Monte Carlo Simulations of Classical O(2) Model on Nice Tree and Bethe Lattice

GUO Wen-an;YANG Zhan-ru¹

Department of Physics, and Institute of Theoretical Physics, Beijing Normal University, Beijing 100875 ¹also CCAST(World Laboratory), P. O. Box 8730, Beijing 100080

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GUO Wen-an, YANG Zhan-ru 1996 Chin. Phys. Lett. 13 496-499

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Abstract The Metropolis Monte Carlo algorithm is applied to a classical O(2) model on nice tree and Bethe lattice. Finite-size scaling theory is applied to estimate the critical temperature. The results show that the continuous symmetry may not be spontaneously broken even if d_f ≥ d_w + 1 where d_f and d_w are the fractal dimension and the dimension of the random walk on the structure respectively or even if the random walk on the structure is transient.

Keywords: 05.40.+j 63.50.+x

Published: 01 July 1996

PACS:	05.40.+j
	63.50.+x

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1996/V13/I7/0496

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