DOI:https://doi.org/10.1103/PhysRevLett.100.189904
©2008 American Physical Society
A. Perrin, H. Chang, V. Krachmalnicoff, M. Schellekens, D. Boiron, A. Aspect, and C. I. Westbrook
Vol. 100, Iss. 18 — 9 May 2008
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