Elastoplasticity mediates dynamical heterogeneity below the mode coupling temperature

RN Chacko, FP Landes, G Biroli, O Dauchot, AJ Liu… - Physical Review Letters, 2021 - APS
As liquids approach the glass transition temperature, dynamical heterogeneity emerges as a
crucial universal feature of their behavior. Dynamic facilitation, where local motion triggers …

Fragility in glassy liquids: A structural approach based on machine learning

I Tah, SA Ridout, AJ Liu - The Journal of Chemical Physics, 2022 - pubs.aip.org
The rapid rise of viscosity or relaxation time upon supercooling is a universal hallmark of
glassy liquids. The temperature dependence of viscosity, however, is quite nonuniversal for …

Kinetic fragility directly correlates with the many-body static amorphous order in glass-forming liquids

I Tah, S Karmakar - Physical Review Materials, 2022 - APS
The term “fragility” describes the rate at which viscosity grows when a supercooled liquid
approaches its putative glass transition temperature. The field of glassy materials is actively …

Two-step relaxation and the breakdown of the Stokes-Einstein relation in glass-forming liquids

B Mei, Y Lu, L An, ZG Wang - Physical Review E, 2019 - APS
It is well known that glass-forming liquids exhibit a number of anomalous dynamical
phenomena, most notably a two-step relaxation in the self-intermediate scattering function …

Connecting real glasses to mean-field models

UK Nandi, W Kob… - The Journal of Chemical …, 2021 - pubs.aip.org
We propose a novel model for a glass-forming liquid, which allows us to switch in a
continuous manner from a standard three-dimensional liquid to a fully connected mean-field …

Time scales of Fickian diffusion and the lifetime of dynamic heterogeneity

R Das, C Dasgupta, S Karmakar - Frontiers in Physics, 2020 - frontiersin.org
Dynamic heterogeneity, believed to be one of the hallmarks of the dynamics of supercooled
liquids, is expected to affect the diffusion of the particles comprising the liquid. We have …

Correlations between short-and long-time relaxation in colloidal supercooled liquids and glasses

CK Mishra, X Ma, P Habdas, KB Aptowicz, AG Yodh - Physical Review E, 2019 - APS
Spatiotemporal dynamics of short-and long-time structural relaxation are measured
experimentally as a function of packing fraction, ϕ, in quasi-two-dimensional colloidal …

Probing dynamic heterogeneity and amorphous order using rotational dynamics of rodlike particles in supercooled liquids

A Mutneja, S Karmakar - Physical Review Applied, 2021 - APS
Probing dynamic and static correlations in glass-forming supercooled liquids has been a
challenge for decades despite extensive research. Dynamic correlation, which manifests …

Common structural basis of short-and long-time relaxation dynamics in metallic glass-forming liquids

JQ Wu, HP Zhang, MZ Li - Computational Materials Science, 2022 - Elsevier
Classical molecular dynamics simulations were performed for five model metallic glass-
forming liquids to investigate the structure correlation with both short-time β and long-time α …

An alternative approach to evidence the structural conditioning in the dynamic slowdown in a polymer glass-former

C Balbuena, ER Soulé - Journal of Physics: Condensed Matter, 2019 - iopscience.iop.org
Dynamic slowdown of liquids, leading to a breakdown of Arrhenius behavior of relaxation
and Stokes–Einstein relationship (SER), as the glass transition is approached, is still not …