13 papers
Fluctuation-Response Theory of Non-Equilibrium Complex Fluids
Ryota Takaki, Frank Jülicher
A fundamental challenge in soft matter physics is to describe materials, such as the living cytoplasm and tissues, that are simultaneously active, chemically driven, and exhibit lo…
Cell size heterogeneity controls crystallization of the developing fruit fly wing
Kartik Chhajed, Franz S. Gruber, Raphaël Etournay +3
A fundamental question in biology is to understand how patterns and shapes emerge from the collective interplay of large numbers of cells. Cells forming two-dimensional epithelial…
Spatiotemporal Control of Charge +1 Topological Defects in Polar Active Matter
Birte C. Geerds, Abhinav Singh, Mathieu Dedenon +4
Topological defects are a conspicuous feature of active liquid crystals that have been associated with important morphogenetic transitions in organismal development. Robust develop…
Electrohydraulic Fields Generated by Active Transport at Tissue Interfaces
Amit Singh Vishen, Ahandeep Manna, Frank Jülicher
Living cells and tissues can generate complex patterns of electric fields and fluid flows which can play important role in physiology. Both, fields and flows are rooted in ion tran…
Edge Currents Shape Condensates in Chiral Active Matter
Boyi Wang, Patrick Pietzonka, Frank Jülicher
Chiral active matter, which breaks both parity symmetry and time-reversal symmetry, is ubiquitous in living systems. Here, we introduce a minimal two-dimensional chiral active latt…
Nonequilibrium noise emerging from broken detailed balance in active gels
Ashot Matevosyan, Frank Jülicher, Ricard Alert
In thermodynamic equilibrium, the fluctuation-dissipation theorem links thermal fluctuations and dissipation. Biological systems, however, are driven out of equilibrium by internal…