Shear Viscosity of Two-Dimensional Yukawa Systems in the Liquid State
Journal Article
·
· Physical Review Letters
- Department of Physics and Astronomy, University of Iowa, Iowa City, Iowa 52242 (United States)
The shear viscosity of a two-dimensional (2D) liquid was calculated using molecular dynamics simulations with a Yukawa potential. The viscosity has a minimum at a Coulomb coupling parameter {gamma} of about 17, arising from the temperature dependence of the kinetic and potential contributions. Previous calculations of 2D viscosity were less extensive as well as for a different potential. The stress autocorrelation function was found to decay rapidly, contrary to earlier work. These results are useful for 2D condensed matter systems and are compared to a dusty plasma experiment.
- OSTI ID:
- 20696264
- Journal Information:
- Physical Review Letters, Vol. 94, Issue 18; Other Information: DOI: 10.1103/PhysRevLett.94.185002; (c) 2005 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 0031-9007
- Country of Publication:
- United States
- Language:
- English
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