Thermal conductivity coefficient via temperature-dependent elementary excitation spectra in thin liquid ^4He(New Developments in Statistical Physics Similarities in Diversities,YITP Workshop)
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概要
- 論文の詳細を見る
この論文は国立情報学研究所の電子図書館事業により電子化されました。The coefficient of thermal conductivity (κ) in thin liquid ^4He is evaluated explicitly as a function of temperature via temperature-dependent two-dimensional elementary excitation spectra that are microscopic only in the long-wavelength limit. Below about 0.8K, the coefficient increases exponentially with decreasing temperature. At temperatures below about 0.3K, κ(T) in the thin film case has an T^<-5> dependence with extra temperature-dependent terms which originate from three-phonon processes.
- 物性研究刊行会の論文
- 1993-07-20
著者
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Yeon Kyu-hwang
Department Of Physics Chungbuk National University
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George Thomas
Departments Of Chemistry And Physics Washington State University Pullman
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George Thomas
Department Of Electrical And Computer Engineering Nagoya Institute Of Technology:jet Propulsion Labo
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Lee Soo-young
Department Of Biosystems And The Department Of Electrical Engineering Korea Advanced Institute Of Sc
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Lee Soo-young
Department Of Physics College Of Science Korea University
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Um Chung
Department Of Physics College Of Science Korea University
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Um Chung-in
Department Of Physics College Of Science Korea University
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Yoo Sahng-Kyoon
Department of Physics, College of Science, Korea University
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Yoo Sahng-kyoon
Department Of Physics College Of Science Korea University
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George Thomas
Department of Chemistry and Physics & Astronomy
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