23 citations · 41 across the 10 of their papers we have counts for
11 papers
On non-phononic modes and glassy dynamics
Felix C. Mocanu, Dmytro Khomenko, Matteo Paoluzzi +4
The relationship between vibrational modes and glassy dynamics has been an important and controversial topic of study for many decades. We introduce a family of glass-forming model…
Theory of the -Relaxation Beyond Mode-Coupling Theory: A Microscopic Treatment
Corentin C. L. Laudicina, Liesbeth M. C. Janssen, Grzegorz Szamel
We develop a systematic extension of mode-coupling theory (MCT) that incorporates critical dynamical fluctuations. Starting from a microscopic diagrammatic theory, we identify domi…
Microscopic Theory of a Fluctuation-Induced Dynamical Crossover in Supercooled Liquids
Corentin C. L. Laudicina, Liesbeth M. C. Janssen, Grzegorz Szamel
Mean-field theories of the glass transition predict a phase transition to a dynamically arrested state, yet no such transition is observed in experiments or simulations of finite-d…
Machine-learning-derived protocols for information-based work extraction from active particles
Grzegorz Szamel
We propose and analyze a process that extracts useful work from a single active particle maintained at constant temperature in a harmonic potential by measuring the relative sign o…
Further testing the validity of generalized heterogeneous-elasticity theory for low-frequency excitations in structural glasses
Walter Schirmacher, Matteo Paoluzzi, Felix Cosmin Mocanu +4
We summarize the salient features of our theory of non-phononic vibrational excitations in glasses [W. Schirmacher et al., Nature Comm. 15, 3107 (2024)]. Next, we provide further e…
Defects, Sound Damping, and the Boson Peak in Amorphous Solids
Elijah Flenner, Grzegorz Szamel
Two nearly universal and anomalous properties of glasses, the peak in the specific heat and plateau of the thermal conductivity, occur around the same temperature. This coincidence…
Simple fluctuations in simple glass formers
Corentin C. L. Laudicina, Patrick Charbonneau, Yi Hu +4
Critical single-particle fluctuations associated with particle displacements are inherent to simple glass-forming liquids in the limit of large dimensions and leave a pseudo-critic…
Self-consistent theory for sound propagation in a simple model of a disordered, harmonic solid
Grzegorz Szamel
We present a self-consistent theory for sound propagation in a simple model of a disordered solid. The solid is modeled as a collection of randomly distributed particles connected…
Irreversible Boltzmann samplers in dense liquids: weak-coupling approximation and mode-coupling theory
Federico Ghimenti, Ludovic Berthier, Grzegorz Szamel +1
Exerting a nonequilibrium drive on an otherwise equilibrium Langevin process brings the dynamics out of equilibrium but can also speedup the approach to the Boltzmann steady-state.…
Transverse forces and glassy liquids in infinite dimensions
Federico Ghimenti, Ludovic Berthier, Grzegorz Szamel +1
We explore the dynamics of a simple liquid whose particles, in addition to standard potential-based interactions, are also subjected to transverse forces preserving the Boltzmann d…
The nature of non-phononic excitations in disordered systems
Walter Schirmacher, Matteo Paoluzzi, Felix Cosmin Mocanu +4
Using heterogeneous-elasticity theory (HET) and a generalisation of HET theory (GHET), obtained by applying a newly developed procedure for obtaining the continuum limit of the gla…