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I work on the development of new time standards (clocks) based on laser-cooled, stored atomic ions. For a nontechnical introduction to this topic, read the article "Accurate Measurement of Time" in the July 1993 issue of Scientific American. I coauthored this article with my Ph.D. advisor, Prof. Norman Ramsey, who shared the 1989 Nobel Prize in Physics with W. Paul and H. Dehmelt.
Among time-and-frequency specialists, I am perhaps best known for calculating the effect that the blackbody (thermal) electromagnetic field has on the rate of cesium atomic clocks. [W.M. Itano, L.L. Lewis, and D.J. Wineland, Physical Review A, vol. 25, pp. 1233-1235 (1982).] Now that the international timekeeping community has accepted this calculation, a second isn't as long as it used to be. You're not likely to notice though, since the change amounts to only about half a microsecond in a year.
Among physicists, my name is associated, for better or for worse, with the experimental demonstration of the "quantum Zeno effect" [W.M. Itano, D.J. Heinzen, J.J. Bollinger, and D.J. Wineland, Physical Review A, vol. 41, pp. 2295-2300 (1990).] This experiment has proven to be more controversial than I expected. I consider it a good example of the workings of quantum mechanics, and, in fact, it is starting to find its way into textbooks.
Among time-and-frequency specialists, I am perhaps best known for calculating the effect that the blackbody (thermal) electromagnetic field has on the rate of cesium atomic clocks. [W.M. Itano, L.L. Lewis, and D.J. Wineland, Physical Review A, vol. 25, pp. 1233-1235 (1982).] Now that the international timekeeping community has accepted this calculation, a second isn't as long as it used to be. You're not likely to notice though, since the change amounts to only about half a microsecond in a year.
Among physicists, my name is associated, for better or for worse, with the experimental demonstration of the "quantum Zeno effect" [W.M. Itano, D.J. Heinzen, J.J. Bollinger, and D.J. Wineland, Physical Review A, vol. 41, pp. 2295-2300 (1990).] This experiment has proven to be more controversial than I expected. I consider it a good example of the workings of quantum mechanics, and, in fact, it is starting to find its way into textbooks.
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