Collective atomic motion in an optical lattice formed inside a high finesse cavity |
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Authors: | Nagorny B Elsässer Th Hemmerich A |
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Affiliation: | Institut für Laser-Physik, Universit?t Hamburg, Luruper Chaussee 149, D-22761 Hamburg, Germany. |
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Abstract: | We report on collective nonlinear dynamics in an optical lattice formed inside a high finesse ring cavity in a so far unexplored regime, where the light shift per photon times the number of trapped atoms exceeds the cavity resonance linewidth. We observe bistability and self-induced squeezing oscillations resulting from the retroaction of the atoms upon the optical potential wells. We can well understand most of our observations within a simplified model assuming adiabaticity of the atomic motion. Nonadiabatic aspects of the atomic motion are reproduced by solving the complete system of coupled nonlinear equations of motion. |
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