Abstract
The properties of a system consisting of two-level atoms interacting with a mode of the electromagnetic field in a cavity are considered for the case when the cavity detuning or the coefficient of the atom-field interaction is modulated. The consideration is performed with account taken of the Hamiltonian terms that are neglected in the rotating-wave approximation. It is shown that in the semiclassical equations for such a model, the effect of extension (compared to the autonomous system) of the range of variation of the quantity characterizing the number of photons can manifest itself; in this case, the energy oscillations have a chaotic character. The dependence of this phenomenon on parameters characterizing the model is studied. It is numerically demonstrated that with account taken for the relaxation, the system studied can have attractors different from the equilibrium positions, i.e., the number of photons in the mode does not tend to a constant value. The limits of validity of the rotating-wave approximation in the parametrically perturbed Dicke model are discussed.
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Translated from Optika i Spektroskopiya, Vol. 92, No. 5, 2002, pp. 784–791.
Original Russian Text Copyright © 2002 by Kirilyuk.
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Kirilyuk, I.L. Chaotic dynamics in a nonautonomous Dicke model without the rotating-wave approximation. Opt. Spectrosc. 92, 719–726 (2002). https://doi.org/10.1134/1.1481138
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DOI: https://doi.org/10.1134/1.1481138