Spin glass transition

This lecture covers the concept of spin glass transition, discussing the frustration arising from the impossibility to satisfy all pairs of interactions in a system, leading to a complex landscape with hard-to-find global minima. The instructor explains the qualitative aspects of spin glass transition, the order parameter, and the challenges in solving the problem, such as the mean field approaches and the cavity method. The lecture also delves into the debate surrounding the ergodicity below the critical temperature, the phase transition, and the aging phenomenon in spin glasses.