Constraints on the two-dimensional pseudo-spin 1/2 Mott insulator description of Sr2IrO4
B. Zwartsenberg, R. P. Day, E. Razzoli, M. Michiardi, M.X. Na, G. Zhang, J.D. Denlinger, I. Vobornik, C. Bigi, B.J. Kim, I.S. Elfimov, E. Pavarini, A. Damascelli. Phys. Rev. B 105(24), 245130 (2022).