@article {10841,
	title = {Josephson effect for photons in two eakly linked microcavities},
	journal = {Physical Review Letters},
	year = {2009},
	doi = {10.1103/PhysRevLett.102.023602},
	author = {An-Chun Ji and Qing Sun and X.C. Xie and W.M. Liu}
}
