a Department of Physics, Hunan Normal University, Changsha 410081, China; b College of Mathematics and Physics, Jiangsu University of Science and Technology, Zhenjiang 212003, China
Abstract The depletion interactions between two large-spheres immersed in a fluid of small spheres under unsymmetrical geometrical confinement are studied through the acceptance ratio method. The numerical results show that no matter whether the volume fraction is large or small, both the depletion potential and depletion force are affected by the presence of the two plates; the closer the two large spheres are to the plate, the larger the effects of the unsymmetrical confinements.
Received: 22 July 2005
Revised: 03 April 2006
Accepted manuscript online:
Fund: Project supported by the National Natural Science Foundation of China (Grant No 10375024) and the Science Foundation of Hunan Educational Committee, China
Cite this article:
Guo Ji-Yuan (郭纪源), Huang Li-Xin (黄立新), Xiao Chang-Ming (肖长明) Effects of unsymmetrical geometric confinements on depletion interactions in colloidal suspensions 2006 Chinese Physics 15 1638
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