The scar mechanism revisited

Details The scar mechanism revisited The scar mechanism revisited

2007-12-20

arxiv.org/abs/0712.3553v1

Eur. Phys. J. Special Topics 165, 93-101 (2008)

Nonlinear Sciences

Chaotic Dynamics

6 pages, 6 figures

Scientific paper

10.1140/epjst/e2008-00852-2

Unstable periodic orbits are known to originate scars on some eigenfunctions of classically chaotic systems through recurrences causing that some part of an initial distribution of quantum probability in its vicinity returns periodically close to the initial point. In the energy domain, these recurrences are seen to accumulate quantum density along the orbit by a constructive interference mechanism when the appropriate quantization (on the action of the scarring orbit) is fulfilled. Other quantized phase space circuits, such as those defined by homoclinic tori, are also important in the coherent transport of quantum density in chaotic systems. The relationship of this secondary quantum transport mechanism with the standard mechanism for scarring is here discussed and analyzed.

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