Wednesday, August 12, 2009

Step Toward Quantum Computers: Sustained Quantum Information Processing

NIST physicists demonstrated sustained, reliable quantum information processing in the ion trap at the left center of this photograph, improving prospects for building a practical quantum computer. The ions are trapped inside the dark slit (3.5 millimeters long and 200 micrometers wide) between the gold-covered alumina wafers. By changing the voltages applied to each of the gold electrodes, scientists can move the ions between the six zones of the trap. (Credit: J. Jost/NIST)

From Science Daily:

ScienceDaily (Aug. 10, 2009) — Raising prospects for building a practical quantum computer, physicists at the National Institute of Standards and Technology (NIST) have demonstrated sustained, reliable information processing operations on electrically charged atoms (ions). The new work, described in the August 6 issue of Science Express, overcomes significant hurdles in scaling up ion-trapping technology from small demonstrations to larger quantum processors.

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