Anomalous diffusion in the resonant quantum kicked rotor

A. Romanelli and Guzmán Hernández

Physica A: Statistical Mechanics and its Applications, 2010, vol. 389, issue 17, 3420-3426

Abstract: We study the resonances of the quantum kicked rotor subjected to an excitation that follows a deterministic time-dependent prescription. For the primary resonances we find an analytical relation between the long-time behavior of the standard deviation and the external kick strength. For the secondary resonances we obtain essentially the same result numerically. Selecting the time sequence of the kick allows us to obtain a variety of asymptotic wave-function spreadings: super-ballistic, ballistic, sub-ballistic, diffusive, sub-diffusive and localized.

Keywords: Quantum resonance; Kicked rotor; Anomalous diffusion (search for similar items in EconPapers)
Date: 2010
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:389:y:2010:i:17:p:3420-3426

DOI: 10.1016/j.physa.2010.03.032

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