Observation of a kink during the formation of the Kondo resonance band in a heavy-fermion system

Hong Chul Choi,1,2 K. Haule,3 G. Kotliar,3 B. I. Min,1,* and J. H. Shim1,2,4,† 1Department of Physics, Pohang University of Science and Technology, Pohang 790-784, Korea 2Department of Chemistry, Pohang University of Science and Technology, Pohang 790-784, Korea 3Department of Physics, Rutgers University, Piscataway, New Jersey 08854, USA 4Division of Advanced Nuclear Engineering, Pohang University of Science and Technology, Pohang 790-784, Korea (Received 13 February 2013; revised manuscript received 19 August 2013; published 6 September 2013)