Chin. Phys. Lett.  2003, Vol. 20 Issue (12): 2222-2225    DOI:
Original Articles |
Short-Time Resistively-Shunted Junction Dynamic Study on Two-Dimensional Fully Frustrated XY Model
YOU Yu;LUO Meng-Bo;YING He-Ping;CHEN Qing-Hu
Department of Physics, Zhejiang University, Hangzhou 310027
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YOU Yu, LUO Meng-Bo, YING He-Ping et al  2003 Chin. Phys. Lett. 20 2222-2225
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Abstract Short-time dynamic behaviour of two-dimensional fully frustrated XY model near the Ising-like phase-transition temperature is studied with resistively shunted junction dynamics. The transition temperature Tc and the dynamic and static critical exponents z, 2β/v, and v are estimated under both a periodic boundary condition (PBC) and a fluctuating twist boundary condition (FTBC) using the short-time dynamic scaling analysis. The results show that Tc, 2β/v, and v are almost independent of the boundary conditions, whereas z depends on the boundary condition. The value of z = 2.18(5) of the PBC is roughly equal to that of the FFXY model with Monte Carlo dynamics under the PBC, while z = 2.05(4) of the FTBC is in agreement with that of the Coulomb gas model.
Keywords: 64.60.Cn      64.60.Ht      75.40.Mg     
Published: 01 December 2003
PACS:  64.60.Cn (Order-disorder transformations)  
  64.60.Ht (Dynamic critical phenomena)  
  75.40.Mg (Numerical simulation studies)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2003/V20/I12/02222
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LUO Meng-Bo
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