Spin-dependent collision of ultracold metastable atoms

Satoshi Uetake, Ryo Murakami, John M. Doyle, Yoshiro Takahashi

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    22 Citations (Scopus)

    Abstract

    Spin-polarized metastable atoms of ultracold ytterbium are trapped at high density and their inelastic collisional properties are measured. We reveal that in collisions of Yb(3P 2) with Yb(1S 0) there is relatively weak inelastic loss, but with a significant spin dependence consistent with Zeeman sublevel changes as being the dominant decay process. This is in strong contrast to our observations of Yb(3P 2)-Yb(3P 2) collisional losses, which are, at low field, much more rapid and have essentially no spin dependence. Our results give a guideline to using the 3P 2 states in many possible applications.

    Original languageEnglish
    Article number032712
    JournalPhysical Review A - Atomic, Molecular, and Optical Physics
    Volume86
    Issue number3
    DOIs
    Publication statusPublished - Sep 25 2012

    ASJC Scopus subject areas

    • Atomic and Molecular Physics, and Optics

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