159 citations · 1.5k across the 53 of their papers we have counts for
7 papers · 1 filter
Underdamped Active Brownian Heat Engine
Viktor Holubec, Rahul Marathe
Active Brownian engines rectify energy from reservoirs composed of self-propelling non-equilibrium molecules into work. We consider a class of such engines based on an underdamped…
Polarization-Density Patterns of Active Particles in Motility Gradients
Sven Auschra, Viktor Holubec, Nicola Andreas Söker +2
The co-localization of density modulations and particle polarization is a characteristic emergent feature of motile active matter in activity gradients. It can therefore play the r…
Active-Particle Polarization Without Alignment Forces
Nicola Andreas Söker, Sven Auschra, Viktor Holubec +2
Active-particle suspensions exhibit distinct polarization-density patterns in activity landscapes, even without anisotropic particle interactions. Such polarization without alignme…
Maximum efficiency of absorption refrigerators at arbitrary cooling power
Zhuolin Ye, Viktor Holubec
We consider absorption refrigerators consisting of simultaneously operating Carnot-type heat engine and refrigerator. Their maximum efficiency at given power (MEGP) is given by the…
Maximum efficiency of low-dissipation refrigerators at arbitrary cooling power
Viktor Holubec, Zhuolin Ye
We analytically derive maximum efficiency at given cooling power for Carnot-type low-dissipation refrigerators. The corresponding optimal cycle duration depends on a single paramet…
Statistics of work performed by optical tweezers with general time-variation of their stiffness
Petr Chvosta, Dominik Lips, Viktor Holubec +2
We derive an exact expression for the probability density of work done on a particle that diffuses in a parabolic potential with a stiffness varying by an arbitrary piecewise const…