@article {6109,
	title = {Longitudinal spin excitations and magnetic anisotropy in antiferromagnetically ordered BaFe2As2},
	journal = {Physical Review X},
	year = {2014},
	doi = {10.1103/PhysRevX.3.041036},
	author = {Chong Wang and Rui Zhang and Fa Wang and Huiqian Luo and L.P. Regnault and Pengcheng Dai and Yuan Li}
}
