085139 ( 2019 ) Spin-orbit entangled j = 12 moments in Ba 2 CeIrO 6 : A frustrated fcc quantum magnet

A. Revelli,1 C. C. Loo,1 D. Kiese,2 P. Becker,3 T. Fröhlich,1 T. Lorenz,1 M. Moretti Sala,4 G. Monaco,5 F. L. Buessen,2 J. Attig,2 M. Hermanns,6,7 S. V. Streltsov,8,9 D. I. Khomskii,1 J. van den Brink,10 M. Braden,1 P. H. M. van Loosdrecht,1 S. Trebst,2 A. Paramekanti,11 and M. Grüninger 1 1Institute of Physics II, University of Cologne, 50937 Cologne, Germany 2Institute for Theoretical Physics, University of Cologne, 50937 Cologne, Germany 3Sect. Crystallography, Institute of Geology and Mineralogy, University of Cologne, 50674 Cologne, Germany 4Dipartimento di Fisica, Politecnico di Milano, I-20133 Milano, Italy 5Dipartimento di Fisica, Università di Trento, I-38123 Povo (TN), Italy 6Department of Physics, Stockholm University, AlbaNova University Center, SE-106 91 Stockholm, Sweden 7Nordita, KTH Royal Institute of Technology and Stockholm University, SE-106 91 Stockholm, Sweden 8M.N. Mikheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences, 620137 Ekaterinburg, Russia 9Ural Federal University, 620002 Ekaterinburg, Russia 10Institute for Theoretical Solid State Physics, IFW Dresden, 01069 Dresden, Germany 11Department of Physics, University of Toronto, Toronto, Ontario Canada M5S 1A7