@article {10867,
	title = {Entanglement between two atoms in a damping Jaynes-Cummings model},
	journal = {European Physical Journal D},
	year = {2010},
	pages = {423-427},
	doi = {10.1140/epjd/e2010-00201-x},
	author = {G.F. Zhang and X.C. Xie}
}
