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Observation of electric-field-induced Cs Rydberg atom macrodimers

beimu1009 添加于 2009-8-11 11:04 | 1061 次阅读 | 0 个评论
  •  作 者

    Overstreet KR, Schwettmann A, Tallant J, Booth D, Shaffer JP
  •  摘 要

    We report the observation of cold Cs Rydberg-atom molecules bound at internuclear separations of R3–9 m. The bound states result from avoided crossings between Rydberg-atom-pair interaction potentials in an applied electric field. The molecular states can be modified by changing the applied electric field. The molecules are observed by mapping the radial separation of the two Rydberg atoms as a function of time delay between excitation and detection using the Coulomb repulsion of the ions after pulsed field ionization. Measurements were performed for 63D+65D, 64D+66D, 65D+67D and 66D+68D pairs. The experiment is in good agreement with calculations of the pair interactions for these states.
  •  详细资料

    • 文献种类:期刊
    • 期刊名称: Nature Physics
    • 期刊缩写: Nat Phys
    • 期卷页: 2009  5 8 581-585
    • ISBN: 1745-2473
  •  标 签

  • 相关链接 DOI URL 

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