Statistical mechanics of interacting run-and-tumble bacteria

Statistical mechanics of interacting run-and-tumble bacteria
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DOI:
10.1103/physrevlett.100.218103
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发表时间:
2008-05-30
影响因子:
8.6
通讯作者:
Cates, M. E.
Cates, M. E.
中科院分区:
物理与天体物理1区
文献类型:
--
作者:
Tailleur, J.;Cates, M. E.

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我们考虑在一维情况下做奔跑 - 翻滚动力学运动(如大肠杆菌所呈现的那样)的自驱动粒子。基于先前在单粒子密度的漂移 - 扩散层面的分析,我们加入了相互作用和噪声,从而能够讨论通过“自陷”形成畴以及其他集体现象。在某些情况下,可以映射到细致平衡系统。
We consider self-propelled particles undergoing run-and-tumble dynamics ( as exhibited by E. coli) in one dimension. Building on previous analyses at drift-diffusion level for the one-particle density, we add both interactions and noise, enabling discussion of domain formation by "self-trapping,'' and other collective phenomena. Mapping onto detailed-balance systems is possible in certain cases.