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Anomalous transitions in two-level systems driven by the ac Stark effect
2001
Canadian journal of physics (Print)
An unusual type of nonresonant absorption signal produced by the ac Stark effect has been observed in a two-level avoided-crossing system. The theory for these anomalous transitions has been developed. The nonresonant signals have been shown to be caused by the perturbation by the oscillating field of the dephasing of the two-level system at the avoided crossing. A series of measurements of these anomalous transitions has been carried out using the avoided-crossing molecular-beam
doi:10.1139/cjp-79-2-3-533
fatcat:ytf25oejgzhnjftohn7pitzujm