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98-02U

98-02U


By icmp_admin - Posted on 08 February 2012

UDC: 
530.1; 538.0;
PACS: 
05.60.+w, 05.70.Ln, 05.20-y

Approximate calculation of the memory functions and "shoulder" problem for the generalized shear viscosity.

I.M. Mryglod
A.M. Hachkevych

For approximated calculations of memory functions a simple iteration scheme based on recurrent relations for higher order memory functions is proposed. This scheme allows to describe the generalized hydrodynamics of a simple fluid in a wide range of wave vectors and frequencies using static correlation functions only. In a case of transverse fluctuations for a Lennard-Jones fluid the obtained results are in a good agreement with molecular dynamics data. The proposed approach can be also used for the study of dynamics of other physical systems.

Year: 
1998
Pages: 
18
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