Linear and Non-Linear Dielectric Responses of a Model Glass Former
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概要
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Exploiting a simple model for glass formers, we demonstrate that three characteristic temperatures, Vogel--Fulcher, glass transition and cross-over temperatures, can be determined from an analysis of the dielectric response. We define the relaxation time in three different ways and show that they diverge at different temperatures. From the analysis of linear and non-linear dielectric responses, we also show that the real part of the susceptibilities at the static limit becomes a cusp below the cross-over temperature and its curvature changes at the glass transition temperature.
- 2011-05-15
著者
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Odagaki Takashi
Department Of Chemistry Faculty Of Science Kyoto University
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Saruyama Yasuo
Department of Macromolecular Science and Engineering, Kyoto Institute of Technology, Kyoto 606-8585, Japan
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Katoh Hideaki
Department of Physics, Tokyo Denki University, Hatoyama, Saitama 350-0394, Japan
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