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Si, TY; Si, TY (reprint author), Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China.
The equation of motion for the trajectory of a circling particle with an overdamped circle center
Source PublicationPHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS
Language英语
KeywordEscherichia-coli Sperm Cells Chemotaxis Bacteria Motility
AbstractInspired 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.
2012
ISSN0378-4371
Volume391Issue:11Pages:3054-3060
Subject AreaPhysics
Indexed BySCI
Citation statistics
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/15092
Collection理论物理所科研产出_SCI论文
Corresponding AuthorSi, TY (reprint author), Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
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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