4.7 Article

Passive odd viscoelasticity

Journal

PHYSICAL REVIEW E
Volume 105, Issue 5, Pages -

Publisher

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevE.105.054607

Keywords

-

Funding

  1. Nederlandse Organizatie voor Wetenschappelijk Onderzoek (NWO) through the NWA Startimpuls funding scheme
  2. Dutch Institute for Emergent Phenomena (DIEP) cluster at the University of Amsterdam
  3. cluster of excellence ct.qmat [EXC 2147, 39085490]
  4. Narodowe Centrum Nauki (NCN) Sonata Bis Grant [2019/34/E/ST3/00405]
  5. NWO Klein grant via NWA

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This study demonstrates the existence of odd elasticity in viscoelastic materials, which is present not only in active systems but also in passive chiral viscoelastic fluids. Linear viscoelastic chiral solids require activity to exhibit odd elastic responses.
Active chiral viscoelastic materials exhibit elastic responses perpendicular to the applied stresses, referred to as odd elasticity. We use a covariant formulation of viscoelasticity combined with an entropy production analysis to show that odd elasticity is not only present in active systems but also in broad classes of passive chiral viscoelastic fluids. In addition, we demonstrate that linear viscoelastic chiral solids require activity in order to manifest odd elastic responses. To model the phenomenon of passive odd viscoelasticity we propose a chiral extension of Jeffreys model. We apply our covariant formalism in order to derive the dispersion relations of hydrodynamic modes and obtain clear imprints of odd viscoelastic behavior.

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