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Effective transport of passive particles induced by chiral-active particles in microchannel |
Yunfeng Hua(华昀峰)1, Linli He(何林李)2, Linxi Zhang(章林溪)1 |
1 Department of Physics, Zhejiang University, Hangzhou 310027, China;
2 Department of Physics, Wenzhou University, Wenzhou 325027, China |
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Abstract Transport of passive particles induced by chiral-active particles in microchannel is investigated by using the overdamped Langevin dynamics simulation in a two-dimensional model system. Due to the chirality of active particles and special structure of microchannel, effective ratchet transport of passive particles is achieved. Effective transport of passive particles depends on the width of microchannel (d), the density (ρ), and the angular velocity (ω) of chiral-active particles. There exist optimal parameters for d and ω at which the transport efficiency for passive particles takes its maximal value. This investigation can help us understand the necessity of active motion for living systems to maintain a number of vital processes such as materials transport inside cells and the foraging dynamics of mobile organisms.
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Received: 27 March 2017
Revised: 02 May 2017
Accepted manuscript online:
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PACS:
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07.05.Tp
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(Computer modeling and simulation)
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77.84.Jd
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(Polymers; organic compounds)
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78.40.Pg
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(Disordered solids)
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78.67.Qa
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(Nanorods)
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Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 21374102, 21674096, and 21674082). |
Corresponding Authors:
Linxi Zhang
E-mail: lxzhang@zju.edu.cn
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About author: 0.1088/1674-1056/26/8/ |
Cite this article:
Yunfeng Hua(华昀峰), Linli He(何林李), Linxi Zhang(章林溪) Effective transport of passive particles induced by chiral-active particles in microchannel 2017 Chin. Phys. B 26 080702
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