Journal
SOFT MATTER
Volume 13, Issue 39, Pages 7046-7052Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7sm01172e
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Funding
- JSPS Core-to-Core Program Non-equilibrium dynamics of soft matter and information''
- [15K17737]
- [263111]
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Epithelial cell monolayers exhibit traveling mechanical waves. We rationalize this observation thanks to a hydrodynamic description of the monolayer as a compressible, active and polar material. We show that propagating waves of the cell density, polarity, velocity and stress fields may be due to a Hopf bifurcation occurring above threshold values of active coupling coefficients.
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