Ultracold Chemical Reaction in a Laser-cooled Atom-ion Mixture

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  • SAITO Ryoichi
    Graduate School of Engineering Science, Osaka University Center for Quantum Information and Quantum Biology, Institute for Open and Transdisciplinary Research Initiatives, Osaka University
  • HAZE Shinsuke
    Institute of Quantum Matter, Ulm University
  • MUKAIYAMA Takashi
    Graduate School of Engineering Science, Osaka University Center for Quantum Information and Quantum Biology, Institute for Open and Transdisciplinary Research Initiatives, Osaka University

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Other Title
  • レーザー冷却技術により実現する極低温化学反応
  • レーザー レイキャク ギジュツ ニ ヨリ ジツゲン スル キョクテイオン カガク ハンノウ

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Abstract

<p>The atom-ion hybrid system provides us with new platform to study ultracold collisions and chemical reactions, which play important role in quantum simulations, quantum information processing utilizing atom-ion interactions. To investigate chemical reactions in an ultracold regime, we start with neutral atoms trapped in an optical dipole trap and ions in a linear Paul trap, and combine them together to construct a hybrid system. Here we introduce our recent work on ultracold elastic/inelastic collisions at a single atom level with a state-by-state manner in our atom-ion hybrid system. From the quantitative discussion on the collision cross sections, the microscopic collisional mechanisms have been clarified.</p>

Journal

  • Vacuum and Surface Science

    Vacuum and Surface Science 63 (10), 524-529, 2020-10-10

    The Japan Society of Vacuum and Surface Science

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