Experimental identification of topological defects in 2D colloidal glass

V Vaibhav, A Bera, ACY Liu, M Baggioli, P Keim… - Nature …, 2025 - nature.com
Topological defects are singularities within a field that cannot be removed by continuous
transformations. The definition of these irregularities requires an ordered reference …

Universal law for the vibrational density of states of liquids

A Zaccone, M Baggioli - Proceedings of the National …, 2021 - National Acad Sciences
An analytical derivation of the vibrational density of states (DOS) of liquids, and, in particular,
of its characteristic linear in frequency low-energy regime, has always been elusive because …

Fast dynamics in a model metallic glass-forming material

H Zhang, X Wang, HB Yu, JF Douglas - The Journal of Chemical …, 2021 - pubs.aip.org
We investigate the fast β-and Johari–Goldstein (JG) β-relaxation processes, along with the
elastic scattering response of glass-forming (GF) liquids and the boson peak, in a simulated …

Normal mode description of phases of matter: Application to heat capacity

J Moon, S Thébaud, L Lindsay, T Egami - Physical Review Research, 2024 - APS
Understanding thermodynamics in liquids at the atomic level is challenging because of
strong atomic interactions and lack of spatial symmetry. Recent prior theoretical works have …

Deformations, relaxation, and broken symmetries in liquids, solids, and glasses: A unified topological field theory

M Baggioli, M Landry, A Zaccone - Physical Review E, 2022 - APS
We combine hydrodynamic and field theoretic methods to develop a general theory of
phonons as Goldstone bosons in crystals, glasses, and liquids based on nonaffine …

Equation of state and entropy theory approach to thermodynamic scaling in polymeric glass-forming liquids

JF Douglas, WS Xu - Macromolecules, 2021 - ACS Publications
Numerous experimental and computational studies have established that most liquids seem
to exhibit a remarkable, yet poorly understood, property termed “thermodynamic scaling”, in …

The ω3 scaling of the vibrational density of states in quasi-2D nanoconfined solids

Y Yu, C Yang, M Baggioli, AE Phillips… - Nature …, 2022 - nature.com
The vibrational properties of crystalline bulk materials are well described by Debye theory,
which successfully predicts the quadratic ω 2 low-frequency scaling of the vibrational density …

Atomic dynamics in fluids: Normal mode analysis revisited

J Moon, L Lindsay, T Egami - Physical Review E, 2023 - APS
Develo** microscopic understanding of the thermal properties of liquids is challenging
due to their strong dynamic disorder, which prevents characterization of the atomic degrees …

Influence of Density and Pressure on Glass Formation in the Kob–Andersen Model

QL Yuan, X Xu, JF Douglas, WS Xu - The Journal of Physical …, 2024 - ACS Publications
We systematically study glass formation in the well-known Kob–Andersen model over a
wide range of densities and pressures as a basis for judging the “universality” of glass …

Time-Scale Bridging in Atomistic Simulations of Epoxy Polymer Mechanics Using Nonaffine Deformation Theory

V Vaibhav, TW Sirk, A Zaccone - Macromolecules, 2024 - ACS Publications
Develo** a deep understanding of macroscopic mechanical properties of amorphous
systems, which lack structural periodicity, has posed a key challenge, not only at the level of …