Y. S. Lee,1,* Kouji Segawa,2 Z. Q. Li,1 W. J. Padilla,1,† M. Dumm,1,‡ S. V. Dordevic,3 C. C. Homes,3 Yoichi Ando,2 and D. N. Basov1 1Department of Physics, University of California at San Diego, La Jolla, California 92093-0319, USA 2Central Research Institute of Electric Power Industry, Komae, Tokyo 201-8511, Japan 3Department of Physics, Brookhaven National Laboratory, Upton, New York 11973, U...