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Title

Loophole-free Bell test with one atom and less than one photon on average

Authors
Rosenfeld, W.
Weber, M.
Weinfurter, H.
Published in Physical Review. A. 2011, vol. 84, no. 5, p. 052122-1/5
Abstract We consider the entanglement between two internal states of a single atom and two photon number states describing either the vacuum or a single photon and thus containing, on average, less than one photon. We show that this intriguing entanglement can be characterized through substantial violations of a Bell inequality by performing homodyne detections on the optical mode. We present the experimental challenges that need to be overcome to pave the way toward a loophole-free Bell test.
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SANGOUARD, Nicolas Bruno et al. Loophole-free Bell test with one atom and less than one photon on average. In: Physical Review. A, 2011, vol. 84, n° 5, p. 052122-1/5. https://archive-ouverte.unige.ch/unige:18909

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Deposited on : 2012-03-20

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