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Frankfurt 2006 – wissenschaftliches Programm

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Q: Quantenoptik und Photonik

Q 10: Quanteneffekte I

Q 10.5: Vortrag

Montag, 13. März 2006, 15:00–15:15, HII

Quantum interference enforced by time-energy complementarity — •M. Kiffner, J. Evers, and C. H. Keitel — Max-Planck-Institut für Kernphysik, Saupfercheckweg 1, 69117 Heidelberg

The interplay of the concepts of complementarity and interference in the time-energy domain are studied. In particular, we theoretically investigate the fluorescence light from a J=1/2 to J=1/2 transition that is driven by a monochromatic laser field. We find that the spectrum of resonance fluorescence exhibits a signature of vacuum-mediated interference effects, whereas the total intensity is not affected by interference. We demonstrate that this result is a consequence of the principle of complementarity, applied to time and energy. Since the considered level scheme can be found e.g. in 198Hg+ ions, our setup turns out to be an ideal candidate to provide evidence for as yet experimentally unconfirmed vacuum-induced atomic coherences.

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