Dynamics of supercooled water: Mode-coupling theory approach

The light scattering spectra of water in its normal and supercooled state were analyzed in the frequency range 0.3<ν<100 cm-1. It is shown that using the general idea of mode-coupling theory (MCT) one can describe consistently the temperature variations of both spectra and viscosity. The critical temperature estimated in the framework of MCT, Tc∼220 K, is close to the well-known temperature of singularities of supercooled water. Some ideas about the relation between the critical dynamics as predicted by MCT, and the dynamics of supercooled water are discussed.