Thirty milliseconds in the life of a supercooled liquid

C Scalliet, B Guiselin, L Berthier - Physical Review X, 2022 - APS
We combine the swap Monte Carlo algorithm to long multi-CPU molecular dynamics
simulations to analyze the equilibrium relaxation dynamics of model supercooled liquids …

Atomistic study of liquid fragility and spatial heterogeneity of glassy solids in model binary alloys

M Wakeda, T Ichitsubo - NPG Asia Materials, 2023 - nature.com
Fragility is a fundamental property of glass-forming liquids. Here, we evaluated the liquid
fragility and structural and dynamic heterogeneity of glassy solids for four model binary …

[HTML][HTML] Crossover in dynamics in the Kob-Andersen binary mixture glass-forming liquid

P Das, S Sastry - Journal of Non-Crystalline Solids: X, 2022 - Elsevier
Glass-forming liquids are broadly classified as being fragile or strong, depending on the
deviation from Arrhenius behavior of their relaxation times. A fragile to strong crossover is …

A closer examination of the nature of atomic motion in the interfacial region of crystals upon approaching melting

J Zhang, H Zhang, JF Douglas - The Journal of Chemical Physics, 2024 - pubs.aip.org
Although crystalline materials are often conceptualized as involving a static lattice
configuration of particles, it has recently become appreciated that string-like collective …

[HTML][HTML] The dimensional evolution of structure and dynamics in hard sphere liquids

P Charbonneau, Y Hu, J Kundu… - The Journal of chemical …, 2022 - pubs.aip.org
The formulation of the mean-field infinite-dimensional solution of hard sphere glasses is a
significant milestone for theoretical physics. How relevant this description might be for …

Confinement effect of inter-arm interactions on glass formation in star polymer melts

Z Yang, X Xu, JF Douglas, WS Xu - The Journal of Chemical Physics, 2024 - pubs.aip.org
We utilized molecular dynamic simulation to investigate the glass formation of star polymer
melts in which the topological complexity is varied by altering the number of star arms (f) …

Relaxation time scales of interfacial water upon fluid to ripple to gel phase transitions of bilayers

S Malik, S Karmakar, A Debnath - The Journal of Chemical Physics, 2023 - pubs.aip.org
The slow relaxation of interface water (IW) across three primary phases of membranes is
relevant to understand the influence of IW on membrane functions at supercooled …

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 …

Understanding the glassy dynamics from melting temperatures in binary glass-forming liquids

Y Nie, L Wang, P Guan, N Xu - Soft Matter, 2024 - pubs.rsc.org
It is natural to expect that small particles in binary mixtures move faster than large ones.
However, in binary glass-forming liquids with soft-core particle interactions, we observe the …

Dependence of the glass transition and jamming densities on spatial dimension

M Adhikari, S Karmakar, S Sastry - Physical Review Letters, 2023 - APS
We investigate the dynamics of soft sphere liquids through computer simulations for spatial
dimensions from d= 3 to 8, over a wide range of temperatures and densities. Employing a …