"Glassy Dynamics" in Ising Spin Glasses : Experiment and Simulation(Condensed Matter : Electronic Structure, Electrical, Magnetic and Optical Properties)
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概要
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The field-cooled magnetization (FCM) processes of Ising spin glasses under relatively small fields are investigated by experiment on Fe_<0.55>Mn_<0.45>TiO_3 and by numerical simulation on the three-dimensional Edwards-Anderson model. Both results are explained in a unified manner by means of the droplet picture. In particular, the cusp-like behavior of the FCM is interpreted as evidence, not for an equilibrium phase transition under a finite magnetic field, but for a dynamical ('blocking') transition frequently observed in glassy systems.
- 社団法人日本物理学会の論文
- 2005-04-15
著者
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Jonsson Petra
Institute For Solid State Physics University Of Tokyo:(present Address)riken
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Jonsson Petra
Institute For Solid State Physics University Of Tokyo
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Takayama Hajime
Institute For Solid State Physics University Of Tokyo
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Takayama Hajime
Institute For Solid State Physics The University Of Tokyo
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