Alok Samanta et al 2005 New J. Phys. 7 27 doi:10.1088/1367-2630/7/1/027
Time-dependent friction and solvation time correlation function
Focus on Brownian Motion and Diffusion in the 21st CenturyAlok Samanta1, Sk Musharaf Ali2 and Swapan K Ghosh1,3
Show affiliationsPart of Focus on Brownian Motion and Diffusion in the 21st Century
We have derived a new relation between the time-dependent friction and solvation time correlation function (STCF) for non-polar fluids. The friction values calculated using this relation and simulation results on STCF for a Lennard–Jones fluid are shown to have excellent agreement with the same obtained through mode-coupling theory. Also derived is a relation between the time-dependent dielectric friction and STCF for polar fluids. Routes are thus provided to obtain the time-dependent friction (non-polar as well as dielectric) from an experimentally measured quantity like STCF, even if the interparticle interaction potential is not known.
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Issue 1 (January 2005)
Received 30 August 2004
Published 31 January 2005
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Time-dependent friction and solvation time correlation function
Alok Samanta et al 2005 New J. Phys. 7 27
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