Sun, 27 Jul 2008 07:56:10 BST CiteULike: dhbradshaw's emission http://www.citeulike.org/user/dhbradshaw/tag/emission CiteULike.org en-gb Copyright © 2004-2008 citeulike.org http://www.citeulike.org/user/dhbradshaw/article/1837682 <i>Nature, Vol. 397, No. 6720. (18 February 1999), pp. 594-598.</i> Light speed reduction to 17 metres per second in an ultracold atomic gas Lene Hau SE Harris Zachary Dutton Cyrus Behroozi doi:10.1038/17561 Nature, Vol. 397, No. 6720. (18 February 1999), pp. 594-598. 2007-10-29T22:15:14-00:00 1999 Nature 397 6720 594 598 eit emission group-index paper spontaneous