Infrared optical properties of the spin-1/2 quantum magnet $TiOCl$

G. Caimi, L. Degiorgi, N. N. Kovaleva +2

We report results on the electrodynamic response of $TiOCl$, a low-dimensional spin-1/2 quantum magnet that shows a spin gap formation for T$<T_{c1}$= 67 $K$. The Fano-like shape o…