Transport phenomena in spatially periodic systems far from thermal equilibrium are
considered. The main emphasis is put on directed transport in so-called Brownian motors …

Theoretical physics deals with physical models. The main requirements for a good physical
model are simplicity and universality. Universal models which can be applied to describe a …

We consider low-dimensional dynamical systems exposed to a heat bath and to additional
ac fields. The presence of these ac fields may lead to a breaking of certain spatial or …

There is now growing evidence of collective turbulentlike motion of cells in dense tissues.
However, how to control and harness this collective motion is an open question. We …

Traditional models for molecular (Brownian) motors predominantly depend on
nonequilibrium driving, while particle interactions rigorously adhere to Newton's third law …

We study the appearance of directed energy current in homogeneous spatially extended
systems coupled to a heat bath in the presence of an external ac field E (t). The systems are …

Directed transport of a deformable particle is numerically investigated in a two-dimensional
periodic channel. Unlike the rigid particle, the deformable particle can pass through the …

Deterministic directed transport of inertia particles in a periodically on-off ratchet potential is
investigated. We find that the directed transport can be induced by a finite inertia; ie, in the …

Nonlinear mechanical resonators display rich and complex dynamics and are important in
many areas of fundamental and applied sciences. Here, we present a general strategy to …

A mechanism responsible for the directed transport of symmetrically coupled lattices in a
symmetric periodic potential is proposed. Under the action of an external wave that breaks …