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The equation of motion for the trajectory of a circling particle with an overdamped circle center
Si, TY; Si, TY (reprint author), Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China.
2012
发表期刊PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS
ISSN0378-4371
卷号391期号:11页码:3054-3060
摘要Inspired by biological microorganisms swimming in circles in liquid with low Reynolds number, I developed the dynamic theory for computing the helical trajectory of a circling particle with an overdamped circle center. The equation of motion for the circling particle is a hybrid equation of deterministic terms and stochastic terms. Observing the motion of a swimming microorganism, I found the strength of stochastic fluctuations should be much smaller than that governs deterministic dynamics. This dynamic theory predicts a nonlinear transverse motion perpendicular to the direction of external force. Both the living microorganism and artificial circling particle are applicable for an experimental check of this prediction. For the convenience of easy theoretical research, I further derived the probability conservation equations based on this dynamic theory both in two-dimensional and three-dimensional space. (C) 2012 Elsevier B.V. All rights reserved.
部门归属Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China
关键词Escherichia-coli Sperm Cells Chemotaxis Bacteria Motility
学科领域Physics
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收录类别SCI
语种英语
WOS记录号WOS:000302423700004
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被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/15092
专题理论物理所2012年知识产出
通讯作者Si, TY (reprint author), Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China.
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Si, TY,Si, TY . The equation of motion for the trajectory of a circling particle with an overdamped circle center[J]. PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS,2012,391(11):3054-3060.
APA Si, TY,&Si, TY .(2012).The equation of motion for the trajectory of a circling particle with an overdamped circle center.PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS,391(11),3054-3060.
MLA Si, TY,et al."The equation of motion for the trajectory of a circling particle with an overdamped circle center".PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS 391.11(2012):3054-3060.
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