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Journal Article

Active Viscoelasticity of Odd Materials

MPS-Authors
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Jülicher,  Frank
Max Planck Institute for the Physics of Complex Systems, Max Planck Society;

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Surówka,  Piotr
Max Planck Institute for the Physics of Complex Systems, Max Planck Society;

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2002.12564.pdf
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Citation

Banerjee, d, D., Vitelli, V., Jülicher, F., & Surówka, P. (2021). Active Viscoelasticity of Odd Materials. Physical Review Letters, 126(13): 138001. doi:10.1103/PhysRevLett.126.138001.


Cite as: http://hdl.handle.net/21.11116/0000-0008-EE80-B
Abstract
The mechanical response of active media ranging from biological gels to living tissues is governed by a subtle interplay between viscosity and elasticity. We generalize the canonical Kelvin-Voigt and Maxwell models to active viscoelastic media that break both parity and time-reversal symmetries. The resulting continuum theories exhibit viscous and elastic tensors that are both antisymmetric, or odd, under exchange of pairs of indices. We analyze how these parity violating viscoelastic coefficients determine the relaxation mechanisms and wave-propagation properties of odd materials.