Self-consistent approach in microdynamics description of supercooled liquids and glasses
Mokshin A.V.1, Yulmetyev R.M.1, Khusnutdinov R.M.1, Hanggi P.2
1Tatar State Humanitarian-Pedagogical University, Kazan, Russia
2Department of Physics, University of Augsburg, Augsburg, Germany
Email: mav@theory.kazan--spu.ru
Поступила в редакцию: 13 декабря 2005 г.
Выставление онлайн: 20 августа 2006 г.
The study of the microdynamics of supercooled liquids and glasses is executed through calculations of the dynamic structure factor S(k,omega). The theory developed on the basis of a self-consistent approach in the framework of memory function formalism is applied to define the frequency spectra (m/kBT)S(k,omega) of supercooled argon at the temperature T=5 K for wave number region from 2 to 8.5 nm-1. Obtained results are in a good agreement with the molecular dynamics simulation data. This work was partially supported by the Russian Ministry of Education and Science (grant N 03-06-00218a) and RFBR (N 02-02-16146). PACS: 62.60.+v, 47.11.-j, 62.10.+s, 6120.Gy
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