Binary collision contribution to transverse current correlation function of dense fluids

Sharma, Rajneesh K. ; Tankeshwar, K. ; Pathak, K. N. ; Ranganathan, S. ; Johnson, R. E. (1998) Binary collision contribution to transverse current correlation function of dense fluids The Journal of Chemical Physics, 108 (7). pp. 2919-2929. ISSN 0021-9606

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Official URL: http://jcp.aip.org/resource/1/jcpsa6/v108/i7/p2919...

Related URL: http://dx.doi.org/10.1063/1.475679

Abstract

An expression for the binary collision contribution to the first order memory function of the transverse current correlation function has been obtained using the cluster expansion technique for particles of a fluid interacting via a continuous potential. The resulting expression involves the static pair correlation function and the time dependence of position, momentum, and acceleration of a particle. In the long wavelength limit our expression determines the time development of the autocorrelation function of transverse stress. These time-dependent functions have been evaluated numerically for the Lennard-Jones potential for some thermodynamic states and results have been compared with molecular dynamics data. It has also been found that for a hard sphere interaction our expression for the shear viscosity reduces to the Enskog result.

Item Type:Article
Source:Copyright of this article belongs to American Institute of Physics.
Keywords:Liquid Theory; Lennard-Jones Potential; Thermodynamic Properties; Molecular Dynamics Method; Viscosity
ID Code:56042
Deposited On:22 Aug 2011 13:07
Last Modified:22 Aug 2011 13:07

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