Chaos Driven by Interfering Memory

Abstract : The transmission of information can couple two entities of very different nature, one of them serving as a memory for the other. Here we study the situation in which information is stored in a wave field and serves as a memory that pilots the dynamics of a particle. Such a system can be implemented by a bouncing drop generating surface waves sustained by a parametric forcing. The motion of the resulting "walker" when confined in a harmonic potential well is generally disordered. Here we show that these trajectories correspond to chaotic regimes characterized by intermittent transitions between a discrete set of states. At any given time, the system is in one of these states characterized by a double quantization of size and angular momentum. A low dimensional intermittency determines their respective probabilities. They thus form an eigenstate basis of decomposition for what would be observed as a superposition of states if all measurements were intrusive.
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Article dans une revue
Physical Review Letters, American Physical Society, 2014, 113, pp.104101. 〈10.1103/PhysRevLett.113.104101〉
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Stéphane Perrard, Matthieu Labousse, Emmanuel Fort, Yves Couder. Chaos Driven by Interfering Memory. Physical Review Letters, American Physical Society, 2014, 113, pp.104101. 〈10.1103/PhysRevLett.113.104101〉. 〈hal-01061415〉

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