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63 papers · 1 filter
Solid Capillarity: When and How does Surface Tension Deform Soft Solids?
Bruno Andreotti, Oliver Baeumchen, Francois Boulogne +6
Soft solids differ from stiff solids in an important way: their surface stresses can drive large deformations. Based on a topical workshop held in the Lorentz Center in Leiden, thi…
Thermodynamic inference based on coarse-grained data or noisy measurements
Reinaldo García-García, Sourabh Lahiri, David Lacoste
Fluctuation theorems have become an important tool in single molecule biophysics to measure free energy differences from non-equilibrium experiments. When significant coarse-graini…
Waltzing route towards double-helix formation in cholesteric shells
Alexandre Darmon, Michael Benzaquen, Olivier Dauchot +1
We study cholesteric order in liquid crystal shells with planar degenerate anchoring. We observe that the bipolar and radial configurations intensively reported for bulk droplets h…
An interplay of migratory and division forces as a generic mechanism for stem cell patterns
Edouard Hannezo, Alice Coucke, Jean-François Joanny
In many adult tissues, stem cells and differentiated cells are not homogeneously distributed : stem cells are arranged in periodic "niches", and differentiated cells are constantly…
Coupling spin to velocity: collective motion of Hamiltonian polar particles
Sigbjørn Løland Bore, Michael Schindler, Khanh-Dang Nguyen Thu Lam +2
We propose a conservative two-dimensional particle model in which particles carry a continuous and classical spin. The model includes standard ferromagnetic interactions between sp…
Floquet Topological Insulators for Sound
Romain Fleury, Alex Khanikaev, Andrea Alu
The unique conduction properties of condensed matter systems with topological order have recently inspired a quest for similar effects in classical wave phenomena. Acoustic topolog…