Relaxation Modes in the Two-Dimensional ±J Ising Spin Glass
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概要
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A new method to find slow relaxation modes in random spin systems is applied to the two-dimensional ±J Ising spin glass below the critical temperature of the corresponding nonrandom ferromagnet. It is found through Monte Carlo simulations that the slow relaxation modes obtained by the method describe the long-time behavior of spins well. The slow relaxation modes are spatially localized and can be regarded as clusters. The distribution of the relaxation rates is consistent with the prediction of the theory which assumes independent motion of clusters.random spin systemsrelaxation modesthe Ising spin glassthe Griffiths singularityspin autocorrelation functionMonte Carlo simulations
- 東北大学の論文
- 1995-03-20
著者
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TAKANO Hiroshi
Department of Physics,Keio University
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Miyashita Seiji
Graduate School of Human and Environmental Studies
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Miyashita Seiji
Graduate School Of Human And Environmental Studies Kyoto University
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Takano Hiroshi
Department Of Cardiovascular Surgery Osaka Police Hospital
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Takano Hiroshi
Department Of Applied Physics Osaka University
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