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Sorting Atoms for Quantum Computing

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Optical trapping technique rearranges atoms with precise spacing.

Anne L. Fischer

Strings of laser-trapped atoms can be useful for storing and processing quantum information. Recently, researchers at the University of Bonn in Germany used an optical trapping technique to rearrange atoms in such strings with submicrometer precision to change their order. In this fluorescent image of strings, up to seven ultracold cesium atoms are shown trapped in the intensity maxima of a standing-wave laser beam. The strings have been made equidistant by rearranging the positions and the order of the atoms using an optical trapping technique. According to Arno Rauschenbeutel,...Read full article

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    Published: September 2006
    Glossary
    quantum
    The term quantum refers to the fundamental unit or discrete amount of a physical quantity involved in interactions at the atomic and subatomic scales. It originates from quantum theory, a branch of physics that emerged in the early 20th century to explain phenomena observed on very small scales, where classical physics fails to provide accurate explanations. In the context of quantum theory, several key concepts are associated with the term quantum: Quantum mechanics: This is the branch of...
    atomlaser-trapped atomsMicroscopyquantumResearch & Technology

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