Statistical-Thermodynamic Study of Nonequilibrium Phenomena in Three-Dimensional Anharmonic Crystal Lattices : III. Linear Waves(Condensed Matter : Structure, Mechanical and Thermal Properties)
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概要
- 論文の詳細を見る
As typical nonequilibrium phenomena, linear waves propagating in isotropic solids at finite temperatures are studied on the basis of both microscopic and macroscopic systems of basic equations, which were proposed in the previous papers of the present series. The temperature dependences of the propagation speeds of the longitudinal and transverse harmonic waves are derived explicitly for several metals. Their amplitude ratios are also obtained as the functions of the temperature. Singularities of the physical quantities at the melting point are found out and discussed. The validity of the so-called local equilibrium assumption, which has usually been taken for granted in nonequilibrium thermodynamics, is reexamined by comparing the macroscopic results with the microscopic ones in detail. And a possibility of going beyond the local equilibrium assumption in the analyses is discussed in connection with extended thermodynamics.
- 社団法人日本物理学会の論文
- 2003-12-15
著者
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杉山 勝
名工大院工
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杉山 勝
名工大工
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杉山 勝
名工大
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SUGIYAMA Masaru
Graduate School of Engineering, Nagoya Institute of Technology
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GOTO Kuniaki
Graduate School of Engineering, Nagoya Institute of Technology
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TAKADA Kazunori
Graduate School of Engineering, Nagoya Institute of Technology
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VALENTI Giovanna
Department of Mathematics, University of Messina
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CURRO Carmela
Department of Mathematics, University of Messina
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Tsuda K
Research Institute For Scientific Measurements Tohoku University
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TAKADA Kazunori
Advanced Materials Laboratory, National Institute for Materials Science
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Sugiyama Masaaki
Department Of Physics Kyushu University
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Valenti Giovanna
Department Of Mathematics University Of Messina
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Goto K
Graduate School Of Engineering Nagoya Institute Of Technology
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Sugiyama Masaru
Graduate School Of Engineering Nagoya Institute Of Tbchnology
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Takada K
Nanoscale Materials Center National Institute For Materials Science
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Curro Carmela
Department Of Mathematics University Of Messina
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Sugiyama Masaru
Department Of Engineering Sciences Nagoya Institute Of Technology
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