Bulletin of the Lebedev Physics Institute

, Volume 44, Issue 11, pp 327–331 | Cite as

Landau–Placzek ratio in viscous liquids

  • G. I. Zaitsev
  • K. V. Kovalenko
  • S. V. Krivokhizha
Article
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Abstract

The Landau–Placzek ratio (LPR) is measured in glycerol and triacetin in a wide temperature (viscosity) range. It is attempted to explain a sharp change in the LPR based on the Isakovich and Chaban theory [1] which assumes a two-component structure of viscous liquid. It is shown that the LPR strongly depends on the cluster concentration, and their sizes remain unchanged.

Keywords

viscous liquid clusters Landau–Placzek ratio nonlocal theory hypersound 

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Copyright information

© Allerton Press, Inc. 2017

Authors and Affiliations

  • G. I. Zaitsev
    • 1
  • K. V. Kovalenko
    • 2
  • S. V. Krivokhizha
    • 2
  1. 1.Gorbachev Kuzbass State Technical UniversityKemerovoRussia
  2. 2.Lebedev Physical InstituteRussian Academy of SciencesMoscowRussia

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