Two-dimensional symmetry breaking of fluid density distribution in closed nanoslits

The Journal of Chemical Physics
Gersh O Berim, Eli Ruckenstein

Abstract

Stable and metastable fluid density distributions (FDDs) in a closed nanoslit between two identical parallel solid walls have been identified on the basis of a nonlocal canonical ensemble density functional theory. Similar to Monte Carlo simulations, periodicity of the FDD in one of the lateral (parallel to the walls surfaces) directions, denoted as the x direction, was assumed. In the other lateral direction, y direction, the FDD was considered uniform. It was found that depending on the average fluid density in the slit, both uniform as well as nonuniform FDDs in the x direction can occur. The uniform FDDs are either symmetric or asymmetric about the middle plane between walls; the latter FDD being the consequence of a symmetry breaking across the slit. The nonuniform FDDs in the x direction occur either in the form of a bump on a thin liquid film covering the walls or as a liquid bridge between those walls and provide symmetry breaking in the x direction. For small and large average densities, the stable state is uniform in the x direction and is symmetric about the middle plane between walls. In the intermediate range of the average density and depending on the length L(x) of the FDD period, the stable state can be represen...Continue Reading

References

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Feb 24, 2007·The Journal of Physical Chemistry. B·Gersh O Berim, Eli Ruckenstein
Apr 7, 2007·The Journal of Chemical Physics·Gersh O Berim, Eli Ruckenstein
Jul 7, 2007·The Journal of Chemical Physics·Jeetain MittalThomas M Truskett
Aug 7, 2007·Physical Review Letters·A O ParryR Evans

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Citations

Feb 16, 2010·The Journal of Chemical Physics·Salvador A Sartarelli, Leszek Szybisz
Dec 3, 2008·The Journal of Chemical Physics·Gersh O Berim, Eli Ruckenstein
Nov 18, 2009·The Journal of Chemical Physics·Gersh O Berim, Eli Ruckenstein
Jul 16, 2008·The Journal of Chemical Physics·Gersh O Berim, Eli Ruckenstein
Aug 10, 2011·The Journal of Chemical Physics·M BorówkoS Sokołowski
Apr 10, 2008·The Journal of Chemical Physics·Gersh O Berim, Eli Ruckenstein
Feb 23, 2010·Advances in Colloid and Interface Science·Eli Ruckenstein, Gersh O Berim
Apr 7, 2010·Advances in Colloid and Interface Science·Eli Ruckenstein, Gersh O Berim
Apr 27, 2013·The Journal of Physical Chemistry. B·Salvador A Sartarelli, Leszek Szybisz

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