2008-2009
http://www.sciencedaily.com/releases/2009/09/090917144127.htm
G.-B. Jo, Y.-R. Lee, J.-H. Choi, C. A. Christensen, T. H. Kim, J. H. Thywissen, D. E. Pritchard, and W. Ketterle
Itinerant Ferromagnetism in a Fermi Gas of Ultracold Atoms
Science, in press (2009) ArXiv
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