期刊
EPL
卷 105, 期 1, 页码 -出版社
IOP Publishing Ltd
DOI: 10.1209/0295-5075/105/18001
关键词
-
资金
- E.R.C. Advanced Grant MiCE
We study a continuum model of an extensile active nematic to show that mesoscale turbulence develops in two stages: i) ordered regions undergo an intrinsic hydrodynamic instability generating walls, lines of strong bend deformations; ii) the walls relax by forming oppositely charged pairs of defects. Both creation and annihilation of defect pairs reinstate nematic regions which undergo further instabilities, leading to a dynamic steady state. We compare this with the development of active turbulence in a contractile active nematic. Copyright (C) EPLA, 2014
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