The theoretical challenges in understanding the nature of glass and glass transition raise significant questions in statistical and condensed matter physics.As a prototypical example of complex physical systems,glasse...The theoretical challenges in understanding the nature of glass and glass transition raise significant questions in statistical and condensed matter physics.As a prototypical example of complex physical systems,glasses and the vitrification process have been central research topics,consistently attracting broad scientific interest.This focus has driven extensive studies on phenomena such as aging,non-exponential relaxation,dynamic anomalies,glass-forming ability,and the mechanical response of glasses under stress.Recent advances in computational and experimental techniques have enabled rigorous testing of theoretical models,shedding new light on glass behavior.However,the intrinsic complexity of glass and the glass transition that lies in their physics,which spans multiple length and time scales,makes the system challenging to characterize.In this review,we emphasize the need to move beyond conventional approaches and propose a topological perspective as a promising alternative to address these challenges.Specifically,our findings reveal that the diversity in particle relaxation behavior is statistically linked to a global topological feature of the transient network structures formed by the particles in a given liquid.This direction offers opportunities to uncover novel phenomena that could fundamentally reshape our understanding of glassy materials.展开更多
基金supported by the National Natural Science Foundation of China(Grant Nos.12474184,52031016,11804027)。
文摘The theoretical challenges in understanding the nature of glass and glass transition raise significant questions in statistical and condensed matter physics.As a prototypical example of complex physical systems,glasses and the vitrification process have been central research topics,consistently attracting broad scientific interest.This focus has driven extensive studies on phenomena such as aging,non-exponential relaxation,dynamic anomalies,glass-forming ability,and the mechanical response of glasses under stress.Recent advances in computational and experimental techniques have enabled rigorous testing of theoretical models,shedding new light on glass behavior.However,the intrinsic complexity of glass and the glass transition that lies in their physics,which spans multiple length and time scales,makes the system challenging to characterize.In this review,we emphasize the need to move beyond conventional approaches and propose a topological perspective as a promising alternative to address these challenges.Specifically,our findings reveal that the diversity in particle relaxation behavior is statistically linked to a global topological feature of the transient network structures formed by the particles in a given liquid.This direction offers opportunities to uncover novel phenomena that could fundamentally reshape our understanding of glassy materials.
