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Active suspensions of E.coli: Individual dynamics and collective behaviors
 
Date: 2018-05-18
Time: 10:00
Venue: 中科院物理研究所A楼3层会议室
Speaker: 徐辛亮 研究员

北京计算科学研究中心

报告摘要
Active matter systems are driven out of equilibrium as each individual propels itself, as each fish swims in a school.  At high concentration, active matter systems display collective dynamical behavior commonly known as ‘flocking’, as all individuals move in coordination.  At phenomenological level, traditional theories assume an alignment interaction between individuals at a characteristic separation, predicting collective dynamics at concentrations relevant to the characteristic separation.  However, the microscopic mechanism underlying this alignment is not well understood.  Through close collaboration between experimental and theoretical studies, the hydrodynamic interaction at individual level is studies in detail.  In the meantime, the collective response of active suspensions upon shear is studied, leading to better understanding of the ‘flocking’ behavior.

报告人简介
研究领域为软凝聚态物理,致力于探索软物质体系丰富的结构性质背后的统计物理基本规律。于2002年在清华大学物理系获得学士学位,2007年在芝加哥大学物理系获得博士学位。随后在麻省理工学院进行博士后工作。自2014年9月在北京计算科学研究中心工作,主要研究体系包括活性体系、胶体体系、以及DNA有效模型的建立。

邀请人:杨明成 副研究员 (电话:8264 9374)


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