Non-local relaxations - low-T glasses

2000 Relaxation in glassforming liquids and amorphous solids. C Austin Angell

• 2018 James_S._Langer Anomalous diffusion in heterogeneous glass-forming liquids: Temperature-dependent behavior

• 2011 Nonlocal dielectric relaxation in glycerol - A. A. Pronin,1 K. Trachenko

2012 On relaxations and aging of various glasses - Ariel Amir,a,b,1 Yuval Oreg,a and Yoseph Imry

Electron Glass Dynamics

Gardner transition

https://phys.org/news/2017-05-pages-year-debate-mysterious-phase.html