Single-spin addressing in an atomic Mott insulator

With the help of a laser beam, individual atoms in the lattice of light could be adressed. 

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^{Figure: I. Bloch, MPQ}

With the addressing scheme arbitrary patterns of atoms in the lattice can be prepared. The atomic patterns each consist of 10 - 30 single atoms that are kept in an artificial crystal of light.

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^{Figure: I. Bloch, C. Weitenberg, P. Schauß, MPQ}

Movie:
"Tunneling of Single Atoms - or the atomic quantum race duel"

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^{Movie: I. Bloch, MPQ}