| Issue |
Europhys. Lett.
Volume 57, Number 2, January 2002
|
|
|---|---|---|
| Page(s) | 212 - 218 | |
| Section | Condensed matter: structure, mechanical and thermal properties | |
| DOI | https://doi.org/10.1209/epl/i2002-00563-6 | |
| Published online | 01 September 2002 | |
Mode Coupling relaxation scenario in a confined glass former
Dipartimento di Fisica “E. Amaldi”,
Università “Roma Tre”
and INFM, Unità di Ricerca
Roma Tre Via della Vasca Navale 84, I-00146 Roma, Italy
Received:
31
July
2001
Accepted:
26
October
2001
Molecular-dynamics simulations of a Lennard-Jones binary mixture confined in a disordered array of soft spheres are presented. The single-particle dynamical behavior of the glass former is examined upon supercooling. Predictions of mode coupling theory are satisfied by the confined liquid. Estimates of the crossover temperature are obtained by power law fit to the diffusion coefficients and relaxation times of the late α region. The b exponent of the von Schweidler law is also evaluated. Similarly to the bulk, different values of the exponent γ are extracted from the power law fit to the diffusion coefficients and relaxation times.
PACS: 61.20.Ja – Computer simulation of liquid structure / 61.20.Ne – Structure of simple liquids / 64.70.Pf – Glass transitions
© EDP Sciences, 2002
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