Low-Energy Charge-Density Excitations in MgB2: Striking Interplay between Single-Particle and Collective Behavior for Large Momenta
Y. Q. Cai, P. C. Chow, O. D. Restrepo, Y. Takano, K. Togano, H. Kito, H. Ishii, C. C. Chen, K. S. Liang, C. T. Chen, S. Tsuda, S. Shin, C. C. Kao, W. Ku, A. G. Eguiluz.
