Kauzmann paradox: A possible crossover due to diminishing local excitations
The configurational entropy of supercooled liquids extrapolates to zero at the Kauzmann
temperature, causing a crisis called the Kauzmann paradox. Here, using a class of …
temperature, causing a crisis called the Kauzmann paradox. Here, using a class of …
Diffusion-coefficient power laws and defect-driven glassy dynamics in swap acceleration
Particle swaps can drastically accelerate dynamics in glass. The mechanism is expected to
be vital for a fundamental understanding of glassy dynamics. To extract defining features, we …
be vital for a fundamental understanding of glassy dynamics. To extract defining features, we …
The distinguishable-particle lattice model of glasses in three dimensions
The nature of glassy states in realistic finite dimensions is still under fierce debate. Lattice
models can offer valuable insights and facilitate deeper theoretical understanding. Recently …
models can offer valuable insights and facilitate deeper theoretical understanding. Recently …
Surface mobility gradient and emergent facilitation in glassy films
Confining glassy polymers into films can substantially modify their local and film-averaged
properties. We present a lattice model of film geometry with void-mediated facilitation …
properties. We present a lattice model of film geometry with void-mediated facilitation …
Heat capacity and relaxation dynamics of glassy films: A lattice model study
We study the calorimetric properties and structural relaxation of glassy films using a
distinguishable particle lattice model (DPLM). We determine the glass transition temperature …
distinguishable particle lattice model (DPLM). We determine the glass transition temperature …
Relating fragile-to-strong transition to fragile glass via lattice model simulations
Glass formers are, in general, classified as strong or fragile depending on whether their
relaxation rates follow Arrhenius or super-Arrhenius temperature dependence. There are …
relaxation rates follow Arrhenius or super-Arrhenius temperature dependence. There are …
Emergent facilitation by random constraints in a facilitated random walk model of glass
LSI Lam, HY Deng, WB Zhang, U Nwankwo… - arxiv preprint arxiv …, 2024 - arxiv.org
The physics of glass has been a significant topic of interest for decades. Dynamical
facilitation is widely believed to be an important characteristic of glassy dynamics, but the …
facilitation is widely believed to be an important characteristic of glassy dynamics, but the …
Distinguishable-particle Glassy Crystal: the simplest molecular model of glass
LSI Lam, G Gopinath, Z Zhao, S Wang, CS Lee… - arxiv preprint arxiv …, 2024 - arxiv.org
The nature of glassy dynamics and the glass transition are long-standing problems under
active debate. In the presence of a structural disorder widely believed to be an essential …
active debate. In the presence of a structural disorder widely believed to be an essential …
Towards Relating Fragile-To-Strong Transition to Fragile Glass
Glass formers are in general classified as strong or fragile depending on whether their
relaxation rates follow Arrhenius or super-Arrhenius temperature dependence. There are …
relaxation rates follow Arrhenius or super-Arrhenius temperature dependence. There are …
Connected Network Model for the Mechanical Loss of Amorphous Materials
Mechanical loss in amorphous solids at low frequencies is commonly attributed to thermally
activated transitions of isolated two-level systems (TLS) that come in resonance with a …
activated transitions of isolated two-level systems (TLS) that come in resonance with a …