Universal laws of collective motion of swimmers
Project/Area Number |
26610112
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Research Category |
Grant-in-Aid for Challenging Exploratory Research
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Allocation Type | Multi-year Fund |
Research Field |
Mathematical physics/Fundamental condensed matter physics
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Research Institution | Japan Advanced Institute of Science and Technology |
Principal Investigator |
Nagai Ken 北陸先端科学技術大学院大学, 先端科学技術研究科, 講師 (40518932)
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Project Period (FY) |
2014-04-01 – 2018-03-31
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Project Status |
Completed (Fiscal Year 2017)
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Budget Amount *help |
¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2016: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2015: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2014: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
|
Keywords | アクティブマター / ソフトマター / 生物物理 / 非線形物理 / 非平衡物理 / リポソーム |
Outline of Final Research Achievements |
In this study, two kinds of swimmer made of softmatter were developed. The type of motion highly depends on the shape of the particle. Considering the high deformability of softmatter, the motion may be able to controlled through the deformation of the self-propelled particles by external field. In addition, the dependence of the collective motion of E. coli on the body length was studied. We found the long-range orientationally ordered phase along with the long-range correlated density fluctuation when the aspect ratio was large enough. This was the first experimental realization of the phase which had been predicted more than twenty years before. Hence, this result was of great significance in the statistic physics of active matter.
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Report
(5 results)
Research Products
(20 results)
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[Presentation] 様々な形状の自発運動ゲル2015
Author(s)
永井健、早川雅之、瀧ノ上正浩
Organizer
日本物理学会第70回年次大会
Place of Presentation
早稲田大学(東京都, 新宿区)
Year and Date
2015-03-22
Related Report
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