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Dynamical Structure of Expanded Liquid Alkali Metals.
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- Hoshino Kozo
- Faculty of Integrated Arts and Sciences, Hiroshima University, Higashi–Hiroshima 724
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- Shimojo Fuyuki
- Faculty of Integrated Arts and Sciences, Hiroshima University, Higashi–Hiroshima 724
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- Watabe Mitsuo
- Faculty of Integrated Arts and Sciences, Hiroshima University, Higashi–Hiroshima 724
Bibliographic Information
- Other Title
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- Dynamical Structure of Expanded Liquid
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Description
We have investigated theoretically the temperature dependence ofthe dispersion relation, derived from the dynamical structure factor, of expanded liquid alkali metals on the basis of the effective pairpotential obtained by the pseudopotential theory, the static structure factor calculated with the modified hypernetted-chain (MHNC) approximation and the dynamical structure factor calculated with the viscoelastic approximation. It is shown that the characteristic features of the observed temperature dependence of the dispersion relation of expanded liquid rubidium are well reproduced theoretically and that those features are common to all expanded liquid alkali metals. The quality of the viscoelastic approximation is assessed by comparing the theoretical results with those of the molecular dynamics simulation. The universal feature of the liquid alkali metals near the triple point is discussed by scaling the pair potential and the dispersion curve.
Journal
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- Journal of the Physical Society of Japan
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Journal of the Physical Society of Japan 63 (6), 2185-2193, 1994
THE PHYSICAL SOCIETY OF JAPAN
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Details 詳細情報について
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- CRID
- 1390001204180346496
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- NII Article ID
- 110001956529
- 130004535093
- 210000098075
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- NII Book ID
- AA00704814
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- BIBCODE
- 1994JPSJ...63.2185H
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- ISSN
- 13474073
- 00319015
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- NDL BIB ID
- 3888677
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- Text Lang
- en
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- Data Source
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- JaLC
- NDL Search
- Crossref
- CiNii Articles
- OpenAIRE
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- Abstract License Flag
- Disallowed