Laura Cattaneo, Max-Planck-Institut für Kernphysik, Heidelberg, Germany
“Looking at liquid crystals in the ultrafast time scale”
Chair: Dr. Davide Faccialà (CNR-IFN, IT)

Abstract: Although matter is divided in the three well-defined categories solid, liquid, and gas, there are certain states not exclusively belonging to either one of these categories. Liquid crystals (LCs) are one of these meta-phases, ordered like solids but fluid like liquids. So far, the physics of phenomena occurring in the ultrafast time scale, namely from picosecond down to attosecond, in soft matter and in particular LCs, where the electrons and fast vibrational modes play the dominant role, is largely unexplored. In this talk I will introduce the audience to the liquid crystal world and some spectroscopic tools currently available to study them in the ultrafast time scale, possibly showing preliminary results from our new-born ULCD group at MPIK.

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