Transitions in Presence of Short Laser Pulses |
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Authors: | Fabio Bagarello Emilio Fiordilino |
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Affiliation: | Istituto di Fisica dell'Università , Via Archirafi 36, 90123, Palermo, Italy |
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Abstract: | Abstract Accurate numerical calculations are carried out to investigate the validity of the two-state approximation in the case of resonant interactions between electromagnetic radiation and atoms. Short pulses are considered and the presence of the atomic spectrum is modelled by introducing a third, non-resonant, state. We show that the harmonics of the pulse profile may play a significant role in the dynamics of the process and may cause energy non-conserving transitions between the atomic states. |
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