Scaling description of dynamical heterogeneity and avalanches of relaxation in glass-forming liquids

A Tahaei, G Biroli, M Ozawa, M Popović, M Wyart - Physical Review X, 2023 - APS
We provide a theoretical description of dynamical heterogeneities in glass-forming liquids,
based on the premise that relaxation occurs via local rearrangements coupled by elasticity …

Does Viscosity Decoupling Guarantee Dynamic Heterogeneity? A Clue through an Excitation and Emission Wavelength-Dependent Time-Resolved Fluorescence …

E Tarif, N Das, P Sen - The Journal of Physical Chemistry B, 2023 - ACS Publications
Traditionally, deviation from Stokes–Einstein–Debye (SED) relation in terms of viscosity
dependence of medium dynamics, ie, τ x∝(η T) p with p≠ 1, is taken as a signature of …

Self-diffusion and shear viscosity of pure 1-alkanol unary system: molecular dynamics simulation and review of experimental data

A Jaradat, R Al-Salman, A Obeidat - RSC advances, 2024 - pubs.rsc.org
Self-diffusion coefficients and shear viscosity coefficients of pure 1-alkanol liquids from
methanol to 1-hexanol were predicted using molecular dynamics (MD) simulations. These …

Unraveling the dynamic slowdown in supercooled water: The role of dynamic disorder in jump motions

S Saito - The Journal of Chemical Physics, 2024 - pubs.aip.org
When a liquid is rapidly cooled below its melting point without inducing crystallization, its
dynamics slow down significantly without noticeable structural changes. Elucidating the …

Comparing microscopic and macroscopic dynamics in a paradigmatic model of glass-forming molecular liquid

G Porpora, F Rusciano, R Pastore, F Greco - International Journal of …, 2022 - mdpi.com
Glass transition is a most intriguing and long-standing open issue in the field of molecular
liquids. From a macroscopic perspective, glass-forming systems display a dramatic slowing …

Dynamics of transient cages in a model 2D supercooled liquid

G Krishnan, U Harbola - International Journal of Modern Physics B, 2022 - World Scientific
Supercooled state of a liquid is characterized by extremely slow and spatially
heterogeneous dynamics attributed to caging of particles by their neighbors. The dynamics …

Vortex structure of excitation fields in a supercooled glass-forming liquid and its relationship with relaxations

YJ Lü, HR Qin, CC Guo - Physical Review B, 2021 - APS
In the framework of the dynamic facilitation model, a glass former is structured with local
cooperative excitations in space and time when approaching the glass transition, which is …