| Issue |
EPL
Volume 79, Number 2, July 2007
|
|
|---|---|---|
| Article Number | 20002 | |
| Number of page(s) | 5 | |
| Section | General | |
| DOI | https://doi.org/10.1209/0295-5075/79/20002 | |
| Published online | 02 July 2007 | |
Scattering dynamics of driven closed billiards
1
Physikalisches Institut, Universität Heidelberg - Philosophenweg 12, 69120 Heidelberg, Germany
2
Department of Physics, University of Athens - GR-15771 Athens, Greece
3
Theoretische Chemie, Institut für Physikalische Chemie, Universität Heidelberg - INF 229, 69120 Heidelberg, Germany
Corresponding author: lenz@physi.uni-heidelberg.de
Received:
23
March
2007
Accepted:
1
June
2007
We investigate the classical scattering dynamics of the driven elliptical billiard. Two fundamental scattering mechanisms are identified and employed to understand the rich behavior of the escape rate. A long-time algebraic decay which can be tuned by varying the driving amplitude is established. Pulsed escape rates and decelerated escaping particles are generic properties of the harmonically breathing billiard. This suggests time-dependent billiards as prototype systems to study the nonequilibrium evolution of classical ensembles encountering a multitude of scattering processes off driven targets.
PACS: 05.45.-a – Nonlinear dynamics and chaos / 05.45.Ac – Low-dimensional chaos / 05.45.Pq – Numerical simulations of chaotic systems
© Europhysics Letters Association, 2007
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