prlimage for v105 i02


Branches of a typical two-dimensional Hamiltonian flow from a plane source, created by a weak disorder potential. The white plumes denote high intensity; the low and high potential values are represented by magenta and cyan, respectively. [Jakob J. Metzger, Ragnar Fleischmann, and Theo Geisel, Phys. Rev. Lett. 105, 020601 (2010)]

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