Dresden 2026 – wissenschaftliches Programm

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SYBS: Symposium Fluids with Broken Time-Reversal Symmetry: Odd/Hall Viscosity between Active Matter and Electron Flows

SYBS 1: Fluids with broken time-reversal symmetry: Odd/Hall viscosity between active matter and electron flows

SYBS 1.5: Hauptvortrag

Dienstag, 10. März 2026, 11:30–11:45, HSZ/AUDI

Curved Odd Elasticity — Lazaros Tsaloukidis², Yuan Zhou³, Jack Binysh³, Nikta Fakhri⁴, Corentin Coulais³, and •Piotr Surówka¹ — ¹Institute of Theoretical Physics, Wrocław University of Science and Technology, 50-370 Wrocław, Poland — ²Max Planck Institute for the Physics of Complex Systems, Noethnitzer Str. 38, 01187, Dresden, Germany — ³Institute of Physics, University of Amsterdam, Science Park 904, 1098 XH, Amsterdam, The Netherlands — ⁴Department of Physics, Massachusetts Institute of Technology, Cambridge, MA, USA

Living materials such as membranes, cytoskeletal assemblies, cell collective and tissues can often be de- scribed as active solids materials with a elastic response about a well defined reference configuration and energized from within. These materials often live in complex and curved manifolds, yet most descriptions of active solids are flat. Here, we explore the interplay between curvature and non-reciprocal elasticity by a co- variant effective theory on curved manifolds in combination with numerical simulations. We find that curvature spatially patterns activity, gaps the spectrum, modifies exceptional points and introduces non-Hermitian de- fect modes. Together these results establish a foundation for hydrodynamic and rheological models on curved manifolds, with direct implications for living matter and active metamaterials.

Keywords: active matter; active odd crystals; odd elasticty; curved crystallography