193 citations · 1.5k across the 50 of their papers we have counts for
51 papers
Intermittent Motility of a Synthetic Active Particle in Changing Environments
Rudra Sekhri, Rahil N. Valani, Tapio Simula
We experimentally investigate the dynamics of synthetic active particles composed of gravitationally bouncing, superwalking droplets confined within an annular fluid bath. Driven b…
Topological transport of a classical droplet in a lattice of time
Tapio Simula, Niels Kjærgaard, Tilman Pfau
Thouless charge pumps are quantum mechanical devices whose operation relies on topology. They provide the means for transporting quantum matter in space lattices with a single quan…
Fluctuation theorem anomaly in a point-vortex fluid
Rama Sharma, Tapio P. Simula, Andrew J. Groszek
The second law of thermodynamics posits that in closed macroscopic systems the rate of entropy production must be positive. However, small systems can exhibit negative entropy prod…
Vortex spin in a superfluid
Emil Génetay Johansen, Tapio Simula
General relativity predicts that the curvature of spacetime induces spin rotations on a parallel transported particle. We deploy Unruh's analogue gravity picture and consider a qua…
Numerical Simulations of a Superwalking Droplet
Rahil N. Valani, Tapio P. Simula, Anja C. Slim
A new class of walking droplets, coined superwalkers, has been observed when a bath of silicone oil is vibrated simultaneously at a given frequency and its subharmonic tone with a…
Liquid Time Crystals
Tapio Simula
We have constructed and characterised an instrument to study gravitationally bouncing droplets of fluid, subjected to periodic driving force. Our system incorporates a droplet prin…