In general, glassy systems are out-of-equilibrium systems characterized by a very slow dynamics presenting characteristics such as aging and non-exponential relaxation. In the present talk I shall discuss some glassy properties of elastic lines evolving in a disordered environment, mainly motivated by the physical properties of vortex matter in high temperature superconductors. Searching for analogies with other glassy systems, like structural or spin glasses, the analysis of aging properties and the characteristics of the fluctuation-dissipation ratio will be presented. Finally, the relation between these results and experiments on vortex matter will be discussed.
Département de Physique de la Matière Condense, Université de Genève