@article {6089,
	title = {Functional renormalization-group study of the pairing symmetry and pairing mechanism of the FeAs-based high-temperature superconductor},
	journal = {Physical Review Letters},
	year = {2009},
	doi = {10.1103/PhysRevLett.102.047005},
	author = {Fa Wang and Hui Zhai and Ying Ran and Ashvin Vishwanath and Dung-Hai Lee}
}
