Abstract:
We discuss the possibility of preparing an atomic sample of atoms with minimum fluctuations in the difference between populations of two levels. A first scheme involves absorption of twin beams of light, and it presents a variant of a recent proposal for atomic spin squeezing within an excited state manifold [Kuzmich et al., Phys. Rev. Lett. 79, 4782 (1997)]. A second scheme involves atoms with two stable states, and we suggest that by use of quantum non-demolition detection and feed-back optical pumping, we may ensure a perfect agreement between the number of atoms in these two states.
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Received: 14 May 1998 / Revised: 10 August 1998 / Accepted: 8 October 1998
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Mølmer, K. Twin-correlations in atoms. Eur. Phys. J. D 5, 301–305 (1999). https://doi.org/10.1007/s100530050259
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DOI: https://doi.org/10.1007/s100530050259