Mode-coupling theory of the intermediate-time behavior of the velocity autocorrelation function
- 1 April 1986
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 33 (4), 2658-2662
- https://doi.org/10.1103/physreva.33.2658
Abstract
The mode-coupling theory recently used to calculate the intermediate-time behavior of the stress-tensor autocorrelation in dense simple liquids is generalized to treat tagged-particle fluctuations. The velocity autocorrelation function for hard-sphere fluids is calculated in the same time regime. The results agree well with computer simulations. The calculation establishes a connection between the intermediate-time behavior of these correlation functions.Keywords
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