Viscous Flow and Jump Dynamics in Molecular Supercooled Liquids: I Translations

TL;DR

This paper investigates the translational dynamics of supercooled molecular liquids using simulations, revealing jump motions and the breakdown of the Stokes-Einstein law at lower temperatures.

Contribution

It provides new insights into the microscopic jump mechanisms and transport anomalies in supercooled liquids through detailed molecular dynamics analysis.

Findings

Detection of jump motions in supercooled liquids

Breakdown of Stokes-Einstein law at low temperatures

Enhanced understanding of translational relaxation processes

Abstract

We study the transport and the relaxation properties of a molecular supercooled liquid by molecular-dynamics numerical simulations. The focus is on the translational motion. Jump motion is detected. At lower temperature the Stokes-Einstein law breaks down.