Origin of large Landau-Placzek ratio in a liquid metallic alloy |
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| Authors: | Bryk Taras Wax J-F |
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| Affiliation: | Institute for Condensed Matter Physics, National Academy of Sciences of Ukraine, 1 Svientsitskii Street, UA-79011 Lviv, Ukraine. bryk@icmp.lviv.ua |
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| Abstract: | Dynamic structure factors for Na(c)K(1-c) liquid metallic alloys and pure components are studied by molecular dynamics simulations. Large values of Landau-Placzek ratio for four compositions of the liquid alloy are analyzed by wave-number dependent contributions from relaxation and propagating processes within the generalized collective modes method. The origin of the large Landau-Placzek ratio for liquid alloys is discussed. |
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