## Time Correlation Functions of Brownian Motion and Evaluation of Friction Coefficient in the Near-Brownian-Limit Regime

- Changho Kim, George Em Karniadakis
- Multiscale Modeling & Simulation
- 2014

@article{Petravic2008EquilibriumCO, title={Equilibrium calculation of the friction coefficient for a massive particle moving in finite liquid volume.}, author={Janka Petravic}, journal={The Journal of chemical physics}, year={2008}, volume={129 11}, pages={114502} }

- Published 2008 in The Journal of chemical physics
DOI:10.1063/1.2977997

It is well established that the Green-Kubo type of expression of the friction coefficient for a massive colloidal particle, i.e., the force autocorrelation integral, vanishes at long times if the liquid volume is finite. Here I show that the nonzero friction coefficient, defined as the ratio of force on the particle and the average liquid velocity, can be found in the framework of the linear response theory as the ratio of the force autocorrelation integral and the correlation integral of… CONTINUE READING

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