Heterodyne detected transient gratings in supercooled molecular liquids - A phenomenological theory R. M. Pick, C. Dreyfus, A. Azzimani, R. Gupta, R. Torre, A. Taschin and T. Franosch Eur. Phys. J. B, 39 2 (2004) 169-197 Published online: 29 June 2004 DOI: 10.1140/epjb/e2004-00181-2