Topology in chaotic scattering

@article{Sweet1999TopologyIC,
  title={Topology in chaotic scattering},
  author={David Sweet and Edward Ott and James A. Yorke},
  journal={Nature},
  year={1999},
  volume={399},
  pages={315-316}
}
In chaotic scattering, an initially freely moving orbit (such as that of an atom or a star) enters a scattering region and evolves chaotically for a period of time before it escapes and returns to free motion. We have looked at cases in which escape can occur in three or more distinct ways. Using a laboratory model, we demonstrate experimentally that the regions of state space (called basins) corresponding to different ways of escaping can have an interesting topological property that we call… 
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