PerspectiveAtomic Physics

Under Control

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Science  03 Jul 1998:
Vol. 281, Issue 5373, pp. 56-57
DOI: 10.1126/science.281.5373.56

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Physicists have been making considerable efforts to isolate and study individual quantum systems. In his Perspective, Grangier discusses recent work reported in Physical Review Letters on real-time measurements of a single atom and its interaction with a single photon in an optical cavity. Measurements of this kind add to the foundations needed for future devices, such as quantum computers.