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Collective Self-Diffusion in Simple Liquids Under Pressure

Malomuzh, Nikolay P. / Shakun, Konstantin S. / Bardik, Vitaliy Yu.

Abstract The behavior of the self diffusion coefficient in simple liquids under pressure is discussed. It is taken into account that the self-diffusion coefficient is the sum of the collective and one-particle contributions. From our reasons it follows that the collective contribution monotonously increases with pressure. The comparison with the computer simulation data for the full self-diffusion coefficient of argon shows that the relative value of the collective part increases from 0.2 for the pressure of saturated vapor up to 0.76 and larger for pressure 10 GPa.

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Collective Self-Diffusion in Simple Liquids Under Pressure

Malomuzh, Nikolay P. / Shakun, Konstantin S. / Bardik, Vitaliy Yu.

Abstract The behavior of the self diffusion coefficient in simple liquids under pressure is discussed. It is taken into account that the self-diffusion coefficient is the sum of the collective and one-particle contributions. From our reasons it follows that the collective contribution monotonously increases with pressure. The comparison with the computer simulation data for the full self-diffusion coefficient of argon shows that the relative value of the collective part increases from 0.2 for the pressure of saturated vapor up to 0.76 and larger for pressure 10 GPa.

Collective Self-Diffusion in Simple Liquids Under Pressure

Malomuzh, Nikolay P. / Shakun, Konstantin S. / Bardik, Vitaliy Yu.

Abstract The behavior of the self diffusion coefficient in simple liquids under pressure is discussed. It is taken into account that the self-diffusion coefficient is the sum of the collective and one-particle contributions. From our reasons it follows that the collective contribution monotonously increases with pressure. The comparison with the computer simulation data for the full self-diffusion coefficient of argon shows that the relative value of the collective part increases from 0.2 for the pressure of saturated vapor up to 0.76 and larger for pressure 10 GPa.

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Titel:

Collective Self-Diffusion in Simple Liquids Under Pressure

Beteiligte:

Malomuzh, Nikolay P. (Autor:in) / Shakun, Konstantin S. (Autor:in) / Bardik, Vitaliy Yu. (Autor:in)

Erschienen in:

Metastable Systems under Pressure ; 339-348

NATO Science for Peace and Security Series A: Chemistry and Biology

Erscheinungsdatum:

01.01.2010

Format / Umfang:

10 pages

ISBN:

978-90-481-3406-9 , 978-90-481-3408-3

ISSN:

DOI:

https://doi.org/10.1007/978-90-481-3408-3_24

Medientyp:

Aufsatz/Kapitel (Buch)

Format:

Elektronische Ressource

Sprache:

Englisch

Schlagwörter:

self-diffusion coefficient , thermal hydrodynamic fluctuations , dynamic viscosity , kinematic viscosity , Maxwellian relaxation time Physics , Condensed Matter Physics , Complexity , Geotechnical Engineering & Applied Earth Sciences , Solid State Physics , Spectroscopy and Microscopy , Planetology

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