Hydrodynamic Scaling and the Intermediate-Range Order in Network-Forming Liquids(The 50th Anniversary of the Alder Transition -Recent Progress on Computational Statistical Physics-)
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概要
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The slow shear relaxation in network-forming liquids is described by the time correlation of long-lived current modes in the random network, and can be hardly traced by molecular dynamics (MD) simulations. In this work, the behaviors of the shear viscosity are inferred from those of a hydrodynamic exponent, which characterizes the approach of the shear viscosity from finite frequency to zero frequency under the ansatz of hydrodynamic scaling. The shear viscosities of network-forming liquids behave differently by the degrees of connectivity in the random network. The structural characteristics relevant to these behaviors manifest themselves in the intermediate-range order.
- 2009-04-24
著者
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Takeuchi Yasushi
Department Of Applied Chemistry Graduate School Of Engineering Osaka University
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Takeuchi Yasushi
Department Of Earth And Planetary Science Tokyo Institute Of Technology
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TAKEUCHI Yasushi
Department of Earth and Planetary Science, Tokyo Institute of Technology
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