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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