Table 5: Basic glass transition models.

Model Ordering process Key concept

Free-volumeNoChange in free (excess) volume
Adam-GibbsNoCooperativity of motion
Mode-coupling theoryNoSelf-trapping (caging)
Kinetically constrainedNoMobility defects
FrustrationIcosahedral ordering in glassy phaseFrustration
The Tanaka TOPCrystallisationCompeting ordering (frustration)
Configuron percolationPercolation cluster of broken bonds in liquid phaseBroken bond (configuron) clustering