Phys. Rev. Lett. 79, 1–5 (1997)Generation of Einstein-Podolsky-Rosen Pairs of AtomsReceived 6 March 1997; published in the issue dated 7 July 1997 Pairs of atoms have been prepared in an entangled state of the Einstein-Podolsky-Rosen (EPR) type. They were produced by the exchange of a single photon between the atoms in a high Q cavity. The atoms, entangled in a superposition involving two different circular Rydberg states, were separated by a distance of the order of 1 cm. At variance with most previous EPR experiments, this one involves massive particles. It can be generalized to three or more atoms and opens the way to new tests of nonlocality in mesoscopic quantum systems. © 1997 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.79.1
DOI:
10.1103/PhysRevLett.79.1
PACS:
03.65.-w, 32.80.-t, 42.50.-p
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