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The Dynamics of Non-Crystalline Silica: Insight from Molecular Dynamics Computer Simulations
Walter Kob, Jurgen Horbach, Kurt Binder
Using a large scale molecular dynamics computer simulation we investigate the dynamics of a supercooled melt of SiO_2. We find that with increasing temperature the temperature depe…
Computer Simulations of Supercooled Liquids and Glasses
Walter Kob
After a brief introduction to the dynamics of supercooled liquids, we discuss some of the advantages and drawbacks of computer simulations of such systems. Subsequently we present…
The specific heat of amorphous silica within the harmonic approximation
Jurgen Horbach, Walter Kob, Kurt Binder
We investigate to what extent the specific heat of amorphous silica can be calculated within the harmonic approximation. For this we use molecular dynamics computer simulations to…
Aging in a Structural Glass
Walter Kob, Jean-Louis Barrat
We discuss the relaxation dynamics of a simple structural glass which has been quenched below its glass transition temperature. We demonstrate that time correlation functions show…
Fluctuation dissipation ratio in an aging Lennard-Jones glass
Jean-Louis Barrat, Walter Kob
By using extensive Molecular Dynamics simulations, we have determined the violation of the fluctuation-dissipation theorem in a Lennard-Jones liquid quenched to low temperatures. F…
How does the relaxation of a supercooled liquid depend on its microscopic dynamics?
Tobias Gleim, Walter Kob, Kurt Binder
Using molecular dynamics computer simulations we investigate how the relaxation dynamics of a simple supercooled liquid with Newtonian dynamics differs from the one with a stochast…