Second-Order Phase Transition in the Two-Dimensional Classical Lattice Coulomb Gas of Half-Integer Charges
LUO Meng-Bo, CHEN Qing-Hu, XU Zhu-An, JIAO Zheng-Kuan
Department of Physics, Zhejiang University, Hangzhou 310027
Second-Order Phase Transition in the Two-Dimensional Classical Lattice Coulomb Gas of Half-Integer Charges
LUO Meng-Bo;CHEN Qing-Hu;XU Zhu-An;JIAO Zheng-Kuan
Department of Physics, Zhejiang University, Hangzhou 310027
关键词 ：
64.60.Cn ,
64.60.Fr
Abstract ： The second-order phase transition in the two-dimensional (2D) classical Coulomb gas of half-integer charges on a square lattice is investigated by using Monte Carlo simulations. Based on the finite-size scaling analysis, we estimate the second-order phase transition temperature Tc and the static critical exponents β and v with a new numerical analysis method. More precise critical temperature Tc = 0.1311(2) and critical exponents β/v = 0.1152(12) and v = 0.857(15) are obtained. The estimated value of v indicates that the charge lattice melting transition is different from the pure 2D Ising transition.
Key words ：
64.60.Cn
64.60.Fr
出版日期: 2001-07-01
引用本文:
LUO Meng-Bo;CHEN Qing-Hu;XU Zhu-An;JIAO Zheng-Kuan. Second-Order Phase Transition in the Two-Dimensional Classical Lattice Coulomb Gas of Half-Integer Charges[J]. 中国物理快报, 2001, 18(7): 947-949.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2001/V18/I7/947
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2001, Vol. 18 
