Statistical Properties of Self-Diffusion in AgI in a Classically Mesoscopic Regime
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概要
- 論文の詳細を見る
The distribution p(x, t) of time-developing Cartesian component of particle displacement, x=x(t)-x(0), starting from δ-function is studied extensively in a superionic conductor AgI in a classically mesoscopic regime using the method of molecular dynamics calculation. The distribution law is modified from that of the Gaussian process, and is found to have the form p(x, t)∝exp{-ax^β/t^α}, (a>0, 0≦α≦1, 0<β≦2), in a thermal equilibrium state. Despite of this generalized distribution law, the mean square displacement <r^2>(t)∝t^<2α/β> seems to be t-linear, i.e., 2α/β≃1, in the molten and/or a phase. At the melting point or the superionic transition point, two different distributions of this type seem to compete with each other.
- 社団法人日本物理学会の論文
- 1994-08-15
著者
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Goda Masaki
Graduate School Of Science And Technology Niigata University
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Yamada H
Univ. Tokyo Chiba
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YAMADA Hiroaki
Graduate School of Science and Technology,Niigata University
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Okabe Tsuneyasu
Graduate School of Science and Technology, Niigata University
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Kobayashi Michisuke
Graduate School of Science and Technology, Niigata University
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Okabe Tsuneyasu
Graduate School Of Science And Technology Niigata University
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Yamada H
Nagoya Univ. Nagoya
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Yamada Hiroaki
Graduate School Of Integrated Science & Arts University Of East Asia
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YAMADA Hiroaki
Graduate School of Science and Technology, Niigata University
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GODA Masaki
Graduate School of Science and Technology, Niigata University
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