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Atom chips

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Compact interferometers that exploit the wave character of atoms have the potential to outpace their optical counterparts in a number of sensing applications. A technique that harnesses the internal structure of atoms should bring such applications a step closer.

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Figure 1: An interferometer with internal-state labelling.


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Westbrook, C. Read the labels. Nature Phys 5, 538–539 (2009).

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