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Pis'ma v Zh. Èksper. Teoret. Fiz., 2012, Volume 95, Issue 6, Pages 349–354 (Mi jetpl2466)  

This article is cited in 14 scientific papers (total in 14 papers)


Transport coefficients of soft sphere fluid at high densities

Yu. D. Fomin, V. V. Brazhkin, V. N. Ryzhov

Institute for High Pressure Physics, Russian Academy of Sciences

Abstract: Molecular dynamics computer simulation has been used to compute in wide pressure–temperature region the self-diffusion coefficient and shear viscosity of soft-sphere fluids, in which the particles interact through the inverse power pair potential. The limitations of the previous empirical approaches and models for the description of the kinetic coefficients is shown. On the basis of the simulations the universal functions for diffusion coefficient and shear viscosity of soft spheres are constructed which allow to compute these quantities for any density and temperature. We show that the behavior of shear viscosity at high temperatures is more complex than the one of diffusion coefficient and give quantitative explanation of this result.

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English version:
Journal of Experimental and Theoretical Physics Letters, 2012, 95:6, 320–325

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Document Type: Article
Received: 31.01.2012
Revised: 10.02.2012
Language: English

Citation: Yu. D. Fomin, V. V. Brazhkin, V. N. Ryzhov, “Transport coefficients of soft sphere fluid at high densities”, Pis'ma v Zh. Èksper. Teoret. Fiz., 95:6 (2012), 349–354; JETP Letters, 95:6 (2012), 320–325

Citation in format AMSBIB
\by Yu.~D.~Fomin, V.~V.~Brazhkin, V.~N.~Ryzhov
\paper Transport coefficients of soft sphere fluid at high densities
\jour Pis'ma v Zh. \`Eksper. Teoret. Fiz.
\yr 2012
\vol 95
\issue 6
\pages 349--354
\jour JETP Letters
\yr 2012
\vol 95
\issue 6
\pages 320--325

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    This publication is cited in the following articles:
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    2. Fomin Yu.D. Brazhkin V.V. Ryzhov V.N., “Isoviscosity Lines and the Liquid-Glass Transition in Simple Liquids”, Phys. Rev. E, 86:1, Part 1 (2012), 011503  crossref  adsnasa  isi  elib  scopus
    3. Fomin Yu.D., Ryzhav V.N., “Viscosity Anomaly in Core-Softened Liquids”, Phys. Lett. A, 377:21-22 (2013), 1469–1473  crossref  adsnasa  isi  elib  scopus
    4. Fomin Yu.D., Ryzhov V.N., Brazhkin V.V., “Properties of Liquid Iron Along the Melting Line Up to Earth-Core Pressures”, J. Phys.-Condes. Matter, 25:28 (2013), 285104  crossref  isi  scopus
    5. Rodriguez-Lopez T., Antonio Moreno-Razo J., del Rio F., “Thermodynamic Scaling and Corresponding States for the Self-Diffusion Coefficient of Non-Conformal Soft-Sphere Fluids”, J. Chem. Phys., 138:11 (2013), 114502  crossref  adsnasa  isi  elib  scopus
    6. Ryltsev R.E. Chtchelkatchev N.M., “Hydrodynamic Anomalies in Supercritical Fluid”, J. Chem. Phys., 141:12 (2014), 124509  crossref  adsnasa  isi  elib  scopus
    7. Raman A.S., Li H., Chiew Y.C., “Widom Line, Dynamical Crossover, and Percolation Transition of Supercritical Oxygen Via Molecular Dynamics Simulations”, J. Chem. Phys., 148:1 (2018), 014502  crossref  isi  scopus
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    9. Brazhkin V.V. Fomin Yu.D. Ryzhov V.N. Tsiok E.N. Trachenko K., “Liquid-Like and Gas-Like Features of a Simple Fluid: An Insight From Theory and Simulation”, Physica A, 509 (2018), 690–702  crossref  isi  scopus
    10. Khusnutdinoff R.M., Mokshin A.V., Beltyukov A.L., Olyanina N.V., “Viscosity and Structure Configuration Properties of Equilibrium and Supercooled Liquid Cobalt”, Phys. Chem. Liq., 56:5 (2018), 561–570  crossref  isi  scopus
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    12. Bell I.H., “Probing the Link Between Residual Entropy and Viscosity of Molecular Fluids and Model Potentials”, Proc. Natl. Acad. Sci. U. S. A., 116:10 (2019), 4070–4079  crossref  isi  scopus
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    14. Laesecke A., Junker C., Lauria D.S., “Viscosity Measurements of Three Base Oils and One Fully Formulated Lubricant and New Viscosity Correlations For the Calibration Liquid Squalane”, J. Res. Natl. Inst. Stand. Technol., 124 (2019), 124002  crossref  isi
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