Dynamics of the Heisenberg Spin Glass Model in the 'Griffiths Phase' : Analysis by the Distribution Function of Relaxation Times of Individual Spins
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概要
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We have carried out Monte Carlo simulation on the 3-dimensional isotropic ±J spin glass model, by which the distribution function of relaxation times P(τ) is extracted from autocorrelation functions of all individual spins in the system. The obtained P(τ) gives clear evidence for the cluster dynamics due to the Griffiths singularity in a spin glass system as well as for the crossover between the cluster dynamics and the critical dynamics associated with the spin glass transition at T_c(=0).
- 社団法人日本物理学会の論文
- 1995-08-15
著者
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TAKAYAMA Hajime
Institute for Solid State Physics, University of Tokyo
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YOSHINO Hajime
Institute for Solid State Physics, University of Tokyo
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Yoshino Hajime
Institute Of Physics University Of Tsukuba
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Yoshino Hajime
Institute For Solid State Physics The University Of Tokyo
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Takayama Hajime
Institute For Solid State Physics The University Of Tokyo
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Takayama Hajime
Institute Of Physics University Of Tsukuba
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