Numerical Determination of the Critical Value for the (1+1)-Dimensional Sine-Gordon Model

Chin. Phys. Lett.

2006, Vol. 23

Issue (1): 39-41 DOI:

Original Articles

Numerical Determination of the Critical Value for the (1+1)-Dimensional Sine-Gordon Model

YUAN Qing-Xin¹;DING Guo-Hui²

¹Department of Mathematics and Physics, Zhengzhou Institute of Aeronautical Industry Management, Zhengzhou 450015 ²Department of Physics, Shanghai Jiao Tong University, Shanghai 200030

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YUAN Qing-Xin, DING Guo-Hui 2006 Chin. Phys. Lett. 23 39-41

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Abstract A new procedure of potential importance sampling method is applied to investigate the phase transition of the (1+1)-dimensional sine-Gordon model. With this method, we obtain the Kosterlitz--Thouless-type phase transition critical value of β²cong 8π with a relative error as small as 0.4%.

Keywords: 05.50.+q 05.70.Fh 02.50.Ng

Published: 01 January 2006

PACS:	05.50.+q	(Lattice theory and statistics)
	05.70.Fh	(Phase transitions: general studies)
	02.50.Ng	(Distribution theory and Monte Carlo studies)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2006/V23/I1/039

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