Abstract.
We show that on a suitable time scale, logarithmic in \({\hbar },\) the coherent states on the two-torus, evolved under a quantized perturbed hyperbolic toral automorphism, equidistribute on the torus. We then use this result to obtain control on the possible strong scarring of eigenstates of the perturbed automorphisms by periodic orbits. Our main tool is an adapted Egorov theorem, valid for logarithmically long times.
Communicated by Jens Marklof
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submitted 08/12/04, accepted 11/01/05
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Bouclet, JM., Bièvre, S.D. Long Time Propagation and Control on Scarring for Perturbed Quantized Hyperbolic Toral Automorphisms. Ann. Henri Poincaré 6, 885–913 (2005). https://doi.org/10.1007/s00023-005-0228-6
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DOI: https://doi.org/10.1007/s00023-005-0228-6