Issue |
EPL
Volume 95, Number 3, August 2011
|
|
---|---|---|
Article Number | 30005 | |
Number of page(s) | 5 | |
Section | General | |
DOI | https://doi.org/10.1209/0295-5075/95/30005 | |
Published online | 19 July 2011 |
Formation of density waves via interface conversion of ballistic and diffusive motion
1
Zentrum für Optische Quantentechnologien, Universität Hamburg - Luruper Chaussee 149, 22761 Hamburg, Germany, EU
2
Department of Physics, University of Athens - GR-15771 Athens, Greece, EU
a
Christoph.Petri@physnet.uni-hamburg.de
b
Peter.Schmelcher@physnet.uni-hamburg.de
Received:
18
May
2011
Accepted:
20
June
2011
We develop a mechanism for the controlled conversion of ballistic to diffusive motion and vice versa. This process takes place at the interfaces of domains with different time-dependent forces in lattices of laterally oscillating barrier potentials. As a consequence, long-time transient oscillations of the particle density are formed, which can be converted to permanent density waves by an appropriate tuning of the driving forces. The proposed mechanism opens the perspective of an engineering of the nonequilibrium dynamics of particles in inhomogeneously driven lattices.
PACS: 05.45.Gg – Control of chaos, applications of chaos / 05.45.Ac – Low-dimensional chaos / 05.45.Pq – Numerical simulations of chaotic systems
© EPLA, 2011
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