May 28, 2014
Author(s)
Chenglin Zhang, Leland Harriger, Zhiping Yin, Weicheng Lv, Miaoyin Wang, Guotai Tan, Yu Song, D. L. Abernathy, Wei Tian, Takeshi Egami, Kristjan Haule, Gabriel Kotliar, Pengcheng Dai
We use inelastic neutron scattering to study spin waves in the antiferromagnetic ordered phase of iron pnictide NaFeAs throughout the Brillouin zone. Comparing with the well-studied AFe 2 As 2 (A = Ca,Sr,Ba) family, spin waves in NaFeAs have considerably