Fast Algorithms for Slow Processes in Lattice-Gas Cellular Automata

D. Frenkel
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D. Frenkel: F.O.M. Institute for Atomic and Molecular Physics, P.O.Box 41883, 1009 DB Amsterdam

International Journal of Modern Physics C (IJMPC), 1991, vol. 02, issue 01, 66-74

Abstract: The accurate numerical study of long-time tails in time-correlation functions requires large amounts of computer time. In some cases, the necessary calculations are too time-consuming to be carried out even on present-day (super)computers. However, if we consider ‘lattice-gas’ versions of the same problems, then it turns out that for certain problems, a speed-up of 6–10 orders of magnitude can be achieved using a very simple algorithm. As a result, we can now test theoretical (mode-coupling) predictions for long-time tails with unprecedented accuracy.

Date: 1991
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DOI: 10.1142/S0129183191000081

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