Chin. Phys. Lett.  2007, Vol. 24 Issue (11): 3268-3271    DOI:
Original Articles |
Depletion Interactions in a Cylindric Pipeline with a Small Shape Change
LI Chun-Shu1,2;GAO Hai-Xia1,2;XIAO Chang-Ming1
1Department of Physics, Hunan Normal University, Changsha 4100812Department of Physics, Hunan University of Science and Engineering, Yongzhou 425100
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LI Chun-Shu, GAO Hai-Xia, XIAO Chang-Ming 2007 Chin. Phys. Lett. 24 3268-3271
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Abstract Stressed by external forces, it is possible for a cylindric pipeline to change into an elliptic pipeline. To expose the effect of small shape change of the pipeline on the depletion interactions, both the depletion potentials and depletion forces in the hard sphere systems confined by a cylindric pipeline or by an elliptic pipeline are studied by Monte Carlo simulations. The numerical results show that the depletion interactions are strongly affected by the small change of the shape of the pipeline in a way. Furthermore, it is also found that the depletion interactions will be strengthened if the short axis of the elliptic pipeline is decreased.
Keywords: 82.70.Dd     
Received: 21 August 2007      Published: 23 October 2007
PACS:  82.70.Dd (Colloids)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2007/V24/I11/03268
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LI Chun-Shu
GAO Hai-Xia
XIAO Chang-Ming
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