Diffusive modes as a defect for explanation of isochoric high-temperature thermal conductivity deviations of rare gas solids from law of 1/T

  • M. M. Zholonko Cherkasy State Technological University bul. Shevchenko, 460, Cherkasy, Ukraine, 18006
Keywords: rare gas solids, isochoric high-temperature thermal conductivity, phonon scattering by diffusive modes, Callaway method

Abstract

This paper discusses the analysis of the isochoric high-temperature thermal conductivity of the atomic cryocrystals exceeding over the law of 1/T within the frames of Callaway method using the hypothesis of the phonon Raileigh scattering influence on the local diffusive modes. It demonstrates that with the temperature and frequency of the dominant phonons growth in these crystals is possible the weakening of the effective thermal resistance due to the transition from mechanism of Raileigh scattering to the independent from wavelength one. The effect is the acoustic analogue of the sky color change from blue to white due to air pollution by the impurity particles with wider length than the wavelengths of the optical photons.

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Published
2016-12-28
How to Cite
Zholonko, M. M. (2016). Diffusive modes as a defect for explanation of isochoric high-temperature thermal conductivity deviations of rare gas solids from law of 1/T. Journal of V. N. Karazin Kharkiv National University. Series Physics, (23), 11-15. Retrieved from https://periodicals.karazin.ua/physics/article/view/7766