Pseudogap in the Optical Spectra of UPd_2Al_3

M. Dressel, B. Gorshunov, N. Kasper +3

The in-plane optical conductivity of UPd_2Al_3 was measured at temperatures $2\mathrm{K}<T<300$ K in the spectral range from 1 cm^{-1} to 40 cm^{-1} (0.14 meV to 5 meV). As the tempe…