Nonequilibrium Relaxation Analysis of the Spin-Glass Correlation Length
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概要
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Relaxation functions of the spin-glass correlation length are investigated in the three-dimensional ±J XY model. The algebraic divergence is observed at the spin-glass transition temperature, T_<sg>≃0.45. The finite-time scaling analysis provides results consistent with our previous scaling analysis of the spin-glass susceptibility. The relaxation functions in the low-temperature phase exhibit the same behavior with the Ising spin glass : the exponent is linearly dependent on the temperature as 1/z(T)≃0.21T/T_<sg>. Relaxation functions of the chiral-glass correlation length do not exhibit such behavior as the spin-glass ones do. All the findings suggest that the transition is driven by the spin degrees of freedom.
- 理論物理学刊行会の論文
- 2005-04-30
著者
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Nakamura T
Kanazawa Univ. Ishikawa
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Nakamura Tota
Department Of Physics Tokyo Institute Of Technology
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Nakamura Tota
Department Of Applied Physics Tohoku University
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YAMAMOTO Takeo
Department of Applied Physics, Tohoku University
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