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arXiv · 1806.02548

Incompressible polar active fluids in the moving phase

Leiming Chen·Chiu Fan Lee·John Toner
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Abstract

We study universal behavior in the moving phase of a generic system of motile particles with alignment interactions in the incompressible limit for spatial dimensions $d>2$. Using a dynamical renormalization group analysis, we obtain the exact dynamic, roughness, and anisotropy exponents that describe the scaling behavior of such incompressible systems. This is the first time a compelling argument has been given for the exact values of the anomalous scaling exponents of a flock moving through an isotropic medium in $d>2$.

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Leiming Chen, Chiu Fan Lee, John Toner. 2018-06-07. Incompressible polar active fluids in the moving phase. https://doi.org/10.1088/1367-2630/aaec31

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