Electronic correlation in the infrared optical properties of the quasi two dimensional $\kappa$-type BEDT-TTF dimer system

T. Sasaki, I. Ito, N. Yoneyama +5

The polarized optical reflectance spectra of the quasi two dimensional organic correlated electron system $\kappa$-(BEDT-TTF)${}_2$Cu[N(CN)${}_2$]$Y$, $Y=$ Br and Cl are measured in th…