Generalized statistical hydrodynamics of fluids: Approach of generalized collective modes

The aim of this review article is to present recent advances in the generalized hydrodynamics of dense gases and liquids. The presentation attempts to integrate the results known previously with the perspective of the nonequilibrium theory of fluids, but special attention is given to the formalism o...

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Збережено в:
Бібліографічні деталі
Дата:1998
Автор: Mryglod, I.M.
Формат: Стаття
Мова:English
Опубліковано: Інститут фізики конденсованих систем НАН України 1998
Назва видання:Condensed Matter Physics
Онлайн доступ:http://dspace.nbuv.gov.ua/handle/123456789/119888
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Назва журналу:Digital Library of Periodicals of National Academy of Sciences of Ukraine
Цитувати:Generalized statistical hydrodynamics of fluids: Approach of generalized collective modes / I.M. Mryglod // Condensed Matter Physics. — 1998. — Т. 1, № 4(16). — С. 753-796. — Бібліогр.: 100 назв. — англ.

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Digital Library of Periodicals of National Academy of Sciences of Ukraine
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Резюме:The aim of this review article is to present recent advances in the generalized hydrodynamics of dense gases and liquids. The presentation attempts to integrate the results known previously with the perspective of the nonequilibrium theory of fluids, but special attention is given to the formalism of generalized collective modes (GCM). This approach allows us to describe consistently the dynamics of fluids in a wide range of wavevectors and frequencies, starting from the hydrodynamic values and up to the Gaussian limit, and to perform the calculation of time correlation functions and generalized transport coefficients within the unified scheme. We start with the basic equations of the theory. Applications of the GCM approach to the studies of dynamical properties of various fluid systems (the Lennard-Jones fluid, metallic Cs, binary mixtures and polar liquids) are then discussed. It is shown how the method can be used in the investigations of magnetic fluids and multicomponent mixtures. Illustrating results, obtained for the GCM spectra of various systems, are presented. Experimental evidence is cited in favour of the observable propagating kinetic modes found in the theory. A limited discussion is given to the mode coupling effects. The relationship to other methods used in the theory of fluids is also discussed.