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Finite-Time Orientational Relaxation Restructures Collective Motion in Polar Active Matter
Rajneesh Kumar, Subhransu Sekhar Mishra, Debasish Chaudhuri
We introduce a Langevin formulation of Vicsek-like active particles in which orientations evolve through finite-rate relaxation toward the local mean direction, with alignment stre…
Exact dynamics and dimensional effects in torque-driven trapped active Brownian particles
Anweshika Pattanayak, Amir Shee, Abhishek Chaudhuri +1
The interplay of chirality, self-propulsion, and confinement generates pronounced non-equilibrium fluctuations, with higher-order moments encoding the shape of the position distrib…
Role of activity and dissipation in achieving precise beating in cilia: Insights from the rower model
Subhajit Gupta, Debasish Chaudhuri, Supravat Dey
Cilia and flagella are micron-sized filaments that actively beat with remarkable precision in a viscous medium, driving microorganism movement and efficient flow. We study the rowe…
Activated solids: Spontaneous deformations, non-affine fluctuations, softening, and failure
Parswa Nath, Debankur Das, Surajit Sengupta +1
Internal activity can fundamentally reshape the mechanical behavior of solids, yet its role in softening and failure remains incompletely understood. In this study, we investigate…