Mesoscopic molecular ions in Bose-Einstein condensates.
We study the possible formation of large (mesoscopic) molecular ions in an ultracold degenerate bosonic gas doped with charged particles (ions). We show that the polarization potentials produced by the ionic impurities are capable of capturing hundreds of atoms into loosely bound states. We describe the spontaneous formation of these hollow molecular ions via phonon emission and suggest an optical technique for coherent stimulated transitions of condensate atoms into a specific bound state. These results open up new possibilities for manipulating tightly confined ensembles.
Physics Department, University of Connecticut, 2152 Hillside Road, Storrs, Connecticut 06269-3046, USA.
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Côté
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Kharchenko
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Lukin