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cond-mat.soft2025
Screw Symmetry, Chiral Hydrodynamics and Odd Instability in Active Cholesterics
Gareth P. Alexander, S. J. Kole, Ananyo Maitra +1
Active cholesterics are chiral in both their structure, which has continuous screw symmetry, and their active stresses, which include contributions from torque dipoles. Both expres…
cond-mat.soft2025
Non-reciprocal interactions drive emergent chiral crystallites
S. J. Kole, Xichen Chao, Abraham Mauleon-Amieva +3
We study a new type of 2D active material that exhibits macroscopic phases with two emergent broken symmetries: self-propelled achiral particles that form dense hexatic clusters, w…
cond-mat.soft2024
Chirality and odd mechanics in active columnar phases
S. J. Kole, Gareth P. Alexander, Ananyo Maitra +1
Chiral active materials display odd dynamical effects in both their elastic and viscous responses. We show that the most symmetric mesophase with two-dimensional odd elasticity in…