@article {9969,
	title = {Calculation of atomic number states: A Bethe ansatz approach},
	journal = {Journal of Physics B: Atomic, Molecular and Optical Physics},
	year = {2009},
	doi = {10.1088/0953-4075/42/19/195506},
	author = {Shou-Pu Wan and Mark G. Raizen and Qian Niu}
}
