Organization of atomic bond tensions in model glasses

TL;DR

This paper investigates the internal stress organization in model glasses by analyzing atomic bond tensions, revealing unexpected correlations that support the idea of non-random internal stresses in amorphous solids.

Contribution

It introduces a novel analysis of atomic bond tension tensors in simulated glasses, uncovering correlations that challenge the assumption of randomness in internal stresses.

Findings

Discovery of unexpected correlations in atomic bond tensions

Support for Alexander's conjecture on non-random internal stresses

Insights into the organization of internal stresses in amorphous solids

Abstract

In order to understand whether internal stresses in glasses are correlated or randomly distributed, we study the organization of atomic bond tensions (normal forces between pairs of atoms). Measurements of the invariants of the atomic bond tension tensor in simulated 2D and 3D binary Lennard-Jones glasses, reveal new and unexpected correlations and provide support for Alexander's conjecture about the non-random character of internal stresses in amorphous solids.