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1997

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Please use this identifier to cite or link to this item: https://hdl.handle.net/2445/13209

Algebraic decay of velocity fluctuations in a confined fluid

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http://dx.doi.org/10.1103/PhysRevLett.78.3785

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

Química física, Reologia, Simulació per ordinador

Subject (English)

Physical and theoretical chemistry, Rheology, Computer simulation

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Articles publicats en revistes (Física de la Matèria Condensada)

Citation

HAGEN, M. H. J., et al. Algebraic decay of velocity fluctuations in a confined fluid. Physical Review Letters. 1997. Vol. 78, num. 19, pags. 3785-3789. ISSN 0031-9007. [consulted: 17 of June of 2026]. Available at: https://hdl.handle.net/2445/13209

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