Interaction of nonlinear resonances in cavity QED |
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Authors: | S V Prants |
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Institution: | (1) Il’ichev Pacific Oceanological Institute, Far East Division, Russian Academy of Sciences, ul. Baltiiskaya 43, Vladivostok, 690041, Russia |
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Abstract: | Strong coupling of the internal and external degrees of freedom of a cold atom to each other and to the spatially periodic field of the standing light wave in a high-finesse cavity is responsible for the dynamic instability of the atomic center-of-mass motion. Due to a weak interaction of the internal nonlinear resonances in the standard model of cavity QED, a stochastic layer appears, whose width in the semiclassical approximation is estimated in terms of the main parameters of the system: atomic recoil frequency, mean number of excitations, and detuning from the resonance. As a result, the atomic motion in the absolutely regular potential has the fractal character, with long Lévy flights alternating with small chaotic oscillations in potential wells. |
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