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Evolution of an atom impeded by measurement

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5 Author(s)
Balzer, C. ; Inst. fur Laser-Phys., Hamburg, Germany ; Hannemann, T. ; Wunderlich, C. ; Neuhauser, W.
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Summary form only given. The temporal evolution of a quantum system is retarded by repeated measurements of the observable involved in the evolution. This impediment, the "quantum Zeno effect", has been proven indistinguishable from the effect of dephasing the system's wave function, except in an individual quantum system. We have demonstrated the retardation of the light-driven quantum evolution on the line S/sub 1/2/-D/sub 6/2/ of a single cooled /sup 172/Yb ion placed in the node of the electric field of a 2-mm Paul trap.

Published in:

Quantum Electronics Conference, 2000. Conference Digest. 2000 International

Date of Conference:

10-15 Sept. 2000

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