Glass and vitrification
![](/securedl/sdl-eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJpYXQiOjE3MjIwNzI0OTQsImV4cCI6MTcyMjc2MzY5NCwidXNlciI6MCwiZ3JvdXBzIjpbMCwtMV0sImZpbGUiOiJmaWxlYWRtaW4vX3Byb2Nlc3NlZF8vMS8yL2NzbV9maWc1X2F1c3NjaG5pdHRfZmNjNDAzYTdlOC5wbmciLCJwYWdlIjoxNDk3OTR9.R5ze32wRhuVBT1yCf_wZhxHugmmwIqr1QvFteyNnsYA/csm_fig5_ausschnitt_fcc403a7e8.png)
Image taken from: Roller, et al. (2022).
The nature of the glass transition is one of the frontier questions in Statistical and Condensed Matter Physics; collective structural relaxation processes distributed over many decades in time develop. While the mode coupling theory made considerable progress in simple liquids, novel glass states and glass-to-glass transition remain to be explored.
The nature of low-temperature excitations in amorphous solids also remains an active field of research, where we recently showed that disordered harmonic oscillators constitute a minimal microscopic model that suffices to explain all vibrational anomalies.