Trail-mediated self-interaction.

Trail-mediated self-interaction.
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线索介导的自我互动。

DOI:
10.1063/1.5081122
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发表时间:
2018
期刊:
The Journal of chemical physics
影响因子:
--
通讯作者:
R. Golestanian
R. Golestanian
中科院分区:
--
文献类型:
--
作者:
W. Till Kranz;R. Golestanian

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许多微生物在物体表面移动时会留下持久的痕迹。对于单细胞生物,trail介导的自我相互作用将影响动力学。最近对此进行了讨论[Kranz et al., Phys]。[j] .生物工程学报,2017,38(1):1 - 2。在这里,我们将推导一个广义的主动粒子模型,捕捉自相互作用的关键特征,并分析其较小耦合的行为(χ < χc)。我们发现推进速度的波动使局域化转变为更强的耦合。
A number of microorganisms leave persistent trails while moving along surfaces. For single-cell organisms, the trail-mediated self-interaction will influence the dynamics. It has been discussed recently [Kranz et al., Phys. Rev. Lett. 117, 038101 (2016)] that the self-interaction may localize the organism above a critical coupling χc to the trail. Here, we will derive a generalized active particle model capturing the key features of the self-interaction and analyze its behavior for smaller couplings χ < χc. We find that fluctuations in propulsion speed shift the localization transition to stronger couplings.
DOI: 10.1088/0953-8984/28/25/253001
发表时间: 2016-01
期刊: Journal of Physics: Condensed Matter
影响因子: --
作者:
A. Zöttl;H. Stark
通讯作者: A. Zöttl;H. Stark