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Title:	Algebraic decay of velocity fluctuations in a confined fluid
Author:	Hagen, M. H. J.; Pagonabarraga Mora, Ignacio; Lowe, C. P.; Frenkel, Daan, 1948-
Other authors:	Universitat de Barcelona
Abstract:	Computer simulations of a colloidal particle suspended in a fluid confined by rigid walls show that, at long times, the velocity correlation function decays with a negative algebraic tail. The exponent depends on the confining geometry, rather than the spatial dimensionality. We can account for the tail by using a simple mode-coupling theory which exploits the fact that the sound wave generated by a moving particle becomes diffusive.
Subject(s):	-Química física -Reologia -Simulació per ordinador -Physical and theoretical chemistry -Rheology -Computer simulation
Rights:	(c) American Physical Society, 1997
Document type:	Article Article - Published version
Published by:	American Physical Society
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