Momentum space anisotropy of electronic correlations in Fe and Ni: An analysis of magnetic Compton profiles

L. Chioncel,1,2 D. Benea,1,3 H. Ebert,4 I. Di Marco,5 and J. Minár4,6 1Theoretical Physics III, Center for Electronic Correlations and Magnetism, Institute of Physics, University of Augsburg, D-86135 Augsburg, Germany 2Augsburg Center for Innovative Technologies, University of Augsburg, D-86135 Augsburg, Germany 3Faculty of Physics, Babes-Bolyai University, Kogalniceanu Str. 1, RO-400084 Cluj-Napoca, Romania 4Chemistry Department, Munich University, Butenandstrasse 5-13, D-81377 München, Germany 5Department of Physics and Astronomy, Division of Materials Theory, Uppsala University, Box 516, SE-75120 Uppsala, Sweden 6New Technologies—Research Center, University of West Bohemia, Univerzitni 8, 306 14 Pilsen, Czech Republic (Received 17 December 2013; revised manuscript received 5 March 2014; published 31 March 2014)