@article {9916,
	title = {Compression of atomic phase space using an asymmetric one-way barrier},
	journal = {Physical Review Letters},
	year = {2005},
	doi = {10.1103/PhysRevLett.94.053003},
	author = {M.G. Raizen and A.M. Dudarev and Qian Niu and N.J. Fisch}
}
