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Ultracold atoms

A topological charge pump

Two experiments with ultracold fermionic and bosonic atoms in optical superlattices demonstrate the quantized charge transport predicted by Thouless in the 1980s.

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Figure 1: Illustration of the superlattice and pumping scheme.


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Correspondence to Roberta Citro.

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Citro, R. A topological charge pump. Nature Phys 12, 288–289 (2016).

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