期刊
PHYSICAL REVIEW LETTERS
卷 113, 期 25, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.113.248303
关键词
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资金
- Portuguese Foundation for Science and Technology (FCT) [SFRH/BPD/73028/2010, EXCL/FIS-NAN/0083/2012, PEst-OE/FIS/UI0618/2014]
- ERC Advanced Grant MiCE
We perform dynamical simulations of a two-dimensional active nematic fluid in coexistence with an isotropic fluid. Drops of active nematic become elongated, and an effective anchoring develops at the nematic-isotropic interface. The activity also causes an undulatory instability of the interface. This results in defects of positive topological charge being ejected into the nematic, leaving the interface with a diffuse negative charge. Quenching the active lyotropic fluid results in a steady state in which phase-separating domains are elongated and then torn apart by active stirring.
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