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Search Publications by: John J. Bollinger (Fed)

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Displaying 126 - 150 of 276

Rapid heating of a strongly coupled plasma at the solid-liquid phase transition

January 21, 2005
Author(s)
M J. Jensen, T Hasegawa, John Bollinger, Daniel H. Dubin
Between 10 4 and 10u6 A9Be^+ ions were trapped in a Penning trap and laser-cooled to siml K, where they formed a crystalline plasma. We measured the ion temperature as a function of time after turning off the laser-cooling and observed a rapid temperature

Ion Optical Clocks and Quantum Information Processing

May 1, 2003
Author(s)
David J. Wineland, James C. Bergquist, Till P. Rosenband, Piet Schmidt, Wayne M. Itano, John J. Bollinger, Dietrich G. Leibfried, W Oskay
We summarize experiments at NIST that (1) use guantum gates to entabgle ions and thereby improve the measurement signal-to-noise ratio in spectroscopy and (2) implement sympathetic cooling and quantum state transfer techniques, which might be used to