Transport of a Single Cold Ion Immersed in a Bose-Einstein Condensate.

  title={Transport of a Single Cold Ion Immersed in a Bose-Einstein Condensate.},
  author={Thomas Dieterle and Moritz Berngruber and C. H{\"o}lzl and Robert L{\"o}w and Krzysztof Jachymski and Tilman Pfau and Florian Meinert},
  journal={Physical review letters},
  volume={126 3},
We investigate transport dynamics of a single low-energy ionic impurity in a Bose-Einstein condensate. The impurity is implanted into the condensate starting from a single Rydberg excitation, which is ionized by a sequence of fast electric field pulses aiming to minimize the ion's initial kinetic energy. Using a small electric bias field, we study the subsequent collisional dynamics of the impurity subject to an external force. The fast ion-atom collision rate, stemming from the dense… 

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