Temperature-Dependent Ellipsometry Measurements of Partial Coulomb Energy in Superconducting Cuprates oleh J. Levallois, M. K. Tran, D. Pouliot, C. N. Presura, L. H. Greene, J. N. Eckstein, J. Uccelli, E. Giannini, G. D. Gu, A. J. Leggett, D. van der Marel