Evidence for weak electronic correlations in iron pnictides

W. L. Yang¹, A. P. Sorini², C-C. Chen^2,3, B. Moritz², W.-S. Lee², F. Vernay⁴, P. Olalde-Velasco^1,5, J. D. Denlinger¹, B. Delley⁴, J.-H. Chu^2,6,7, J. G. Analytis^2,6,7, I. R. Fisher^2,6,7, Z. A. Ren⁸, J. Yang⁸, W. Lu⁸, Z. X. Zhao⁸, J. van den Brink^2,9, Z. Hussain¹, Z.-X. Shen^2,3,6,7, and T. P. Devereaux^2,7
1Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
²Stanford Institute for Materials and Energy Sciences, SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, USA
³Department of Physics, Stanford University, Stanford, California 94305, USA
⁴Condensed Matter Theory Group, Paul Scherrer Institut, CH-5232 Villigen PSI, Switzerland
⁵Instituto de Ciencias Nucleares, UNAM, Mexico, Distrito Federal 04510, Mexico
⁶Department of Applied Physics, Stanford University, Stanford, California 94305, USA
⁷Geballe Laboratory for Advanced Materials, Stanford University, Stanford, California 94305, USA
⁸National Laboratory for Superconductivity, Institute of Physics, Chinese Academy of Sciences, Beijing, 100080, People’s Republic of China
⁹Institute Lorentz for Theoretical Physics, Leiden University, P.O. Box 9506, 2300 RA Leiden, The Netherlands