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Quantum physics

Spooky action gets collective

Thousands of atoms in a gas can share a single Rydberg excitation. Quantum entanglement between such an excitation and a single photon has now been realized deterministically. See Letter p.466

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Figure 1: Entangling an atomic collective excitation with a photon.


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    *This article and the paper under discussion1 were published online on 19 June 2013.


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Correspondence to Matthias Weidemüller.

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Weidemüller, M. Spooky action gets collective. Nature 498, 438–439 (2013).

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