Coherent dynamics of the localized vibrational modes of hydrogen in CaF2

Coherent dynamics of the localized vibrational modes of hydrogen in CaF2

We report the observation of giant quantum coherence effects in the localized modes of ionized hydrogen in synthetic fluorite. Infrared free induction decay experiments on the substitutional H- center show dramatic modulations at negative delay times due to interference between multiple vibrational...

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Veröffentlicht in:Physical review letters 2000-05, Vol.84 (21), p.4998-5001
Hauptverfasser: Wells, JP, Rella, CW, Bradley, IV, IV, Galbraith, I, I, Pidgeon, CR
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container_end_page 5001
container_issue 21
container_start_page 4998
container_title Physical review letters
container_volume 84
creator Wells, JP
Rella, CW
Bradley, IV, IV
Galbraith, I, I
Pidgeon, CR
description We report the observation of giant quantum coherence effects in the localized modes of ionized hydrogen in synthetic fluorite. Infrared free induction decay experiments on the substitutional H- center show dramatic modulations at negative delay times due to interference between multiple vibrational levels. Spectrally resolving the degenerate four wave mixing signal allows unambiguous assignments of the participating vibrational states. The dependence of the signal intensity upon the delay path between the exciting free electron laser pulses can be accounted for in terms of the resonant third order polarization with a common dephasing time for the excited states.
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title Coherent dynamics of the localized vibrational modes of hydrogen in CaF2
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