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Optics Communications

Standing light fields for cold atoms with intrinsically stable and variable time phases

Arno Rauschenbeutel, Harald Schadwinkel, V. Gomer, Dieter Meschede

Published Mar 1, 1998• 28 citations
Publisher
DOI
10.1016/s0030-4018(97)00669-x

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Dynamics of the quantum system that consists of a cold atom in a modulated standing wave of light is analyzed using the time-dependent variational principle formulation based on squeezed coherent states. A group of ordinary differential equations describing evolution of two pairs of canonically conjugate variables (q(t), p(t); G(t), Π(t)) are derived where G(t) and Π(t) describe the quantum fluctuations of the system. It has been shown that a transition from the regular motion to the chaotic motion in G(t), Π(t) phase space. Quantum system seems to be capable to show the classical-like chaotic structure.