Fluid seminar: Ravi K. PUJALA

  • Science and society
Published on June 9, 2026 – Updated on June 9, 2026
Dates

on the June 11, 2026

14h00
 
Location
Institut de Physique de Nice
Salle des séminaires

Tailored Artificial Microswimmers: Tunable Dynamics and Non-equilibrium Transitions

Fluid seminars

Abstract:

Microscopic particles that can independently convert energy into motion are known as active matter, and they give rise to collective dynamics. This talk will discuss the Quincke-roller phenomena of snowman-shaped colloidal particles. Depending on the population and strength of the driving field, these chiral rollers display both individual and collective dynamic states. We identify standing- and bound-particle motion in addition to previously identified dynamic modes, such as spinning and vortex states. The limited orbital motion of particles around the centre of mass, caused by hydrodynamic interactions at low particle area fractions, is known as bounded motion. Our results highlight emergent order and flexibility as important guiding principles and offer insightful information on the behaviour of active systems and the production of active materials.