Coherent transients in the femtosecond photoassociation of ultracold molecules |
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Authors: | Salzmann W Mullins T Eng J Albert M Wester R Weidemüller M Merli A Weber S M Sauer F Plewicki M Weise F Wöste L Lindinger A |
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Institution: | Physikalisches Institut, Universit?t Freiburg, Freiburg im Breisgau, Germany. |
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Abstract: | We demonstrate the photoassociation of ultracold rubidium dimers using coherent femtosecond pulses. Starting from a cloud of ultracold rubidium atoms, electronically excited rubidium molecules are formed with shaped photoassociation pump pulses. The excited state molecules are projected with a time-delayed probe pulse onto molecular ion states which are detected in a mass spectrometer. Coherent transient oscillations of the excited state population are observed in the wings of the pump pulse, in agreement with the time-dependent solution of the Schr?dinger equation of the excitation process. |
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