Nonlinear Sciences – Chaotic Dynamics
Scientific paper
2007-02-27
Nonlinear Sciences
Chaotic Dynamics
Scientific paper
10.1103/PhysRevE.75.065201
Motion of an ensemble of particles in a space-periodic potential well with a weak wave-like perturbation imposed is considered. We found that slow oscillations of wavenumber of the perturbation lead to occurrence of directed particle current. This current is amplifying with time due to giant acceleration of some particles. It is shown that giant acceleration is linked with the existence of resonant channels in phase space.
Makarov D. V.
Uleysky Michael Y.
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