Issue |
Europhys. Lett.
Volume 52, Number 3, November I 2000
|
|
---|---|---|
Page(s) | 277 - 283 | |
Section | Condensed matter: structure, mechanical and thermal properties | |
DOI | https://doi.org/10.1209/epl/i2000-00435-1 | |
Published online | 01 September 2002 |
The relaxation dynamics of a simple glass former confined in a pore
Institute of Physics, Johannes Gutenberg-University
Staudinger Weg 7, D-55099 Mainz, Germany
Received:
30
June
2000
Accepted:
4
September
2000
We use molecular dynamics computer simulations to investigate the relaxation dynamics of a binary Lennard-Jones liquid confined in a narrow pore. We find that this dynamics is strongly influenced by the confinement in that time correlation functions are much more stretched than in the bulk. By investigating the motion of the particles as a function of their distance from the wall, we can show that this stretching is due to a spatial heterogeneity in the dynamics in that the relaxation time depends strongly on this distance.
PACS: 61.20.Lc – Time-dependent properties; relaxation / 61.20.Ja – Computer simulation of liquid structure / 64.70.Pf – Glass transitions
© EDP Sciences, 2000
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