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6 papers · 2 filters
Hydrodynamically enforced entropic trapping of Brownian particles
S. Martens, A. V. Straube, G. Schmid +2
We study the transport of Brownian particles through a corrugated channel caused by a force field containing curl-free (scalar potential) and divergence-free (vector potential) par…
Thermodynamic Casimir Forces between a Sphere and a Plate: Monte Carlo Simulation of a Spin Model
Martin Hasenbusch
We study the thermodynamic Casimir force between a spherical object and a plate. We consider the bulk universality class of the three-dimensional Ising model, which is relevant for…
Rigorous elimination of fast stochastic variables from the linear noise approximation using projection operators
Philipp Thomas, Ramon Grima, Arthur V. Straube
The linear noise approximation (LNA) offers a simple means by which one can study intrinsic noise in monostable biochemical networks. Using simple physical arguments, we have recen…
Active Particles Forced by an Asymmetric Dichotomous Angle Drive
Christian Weber, Igor M. Sokolov, Lutz Schimansky-Geier
We analyze the dynamics of particles in two dimensions with constant speed and a stochastic switching angle dynamics defined by a correlated dichotomous Markov process (telegraph n…
Exact thermodynamic Casimir forces for an interacting three-dimensional model system in film geometry with free surfaces
H. W. Diehl, Daniel Grüneberg, Martin Hasenbusch +3
The limit n to infinity of the classical O(n) phi^4 model on a 3d film with free surfaces is studied. Its exact solution involves a self-consistent 1d Schrödinger equation, which i…
Impact of inertia on biased Brownian transport in confined geometries
Steffen Martens, Igor M. Sokolov, Lutz Schimansky-Geier
We consider the impact of inertia on biased Brownian motion of point particles in a two-dimensional channel with sinusoidally varying width. If the time scales of the problem separ…