Physics – Condensed Matter – Soft Condensed Matter
Scientific paper
2004-02-09
Phys. Rev. Lett. 92, 225703 (2004)
Physics
Condensed Matter
Soft Condensed Matter
4 pages, 3 figures
Scientific paper
10.1103/PhysRevLett.92.225703
By employing computer simulations for a model binary mixture, we show that a reentrant glass transition upon adding a second component only occurs if the ratio $\alpha$ of the short-time mobilities between the glass-forming component and the additive is sufficiently small. For $\alpha \approx 1$, there is no reentrant glass, even if the size asymmetry between the two components is large, in accordance with two-component mode coupling theory. For $\alpha \ll 1$, on the other hand, the reentrant glass is observed and reproduced only by an effective one-component mode coupling theory.
Likos Christos N.
Löwen Hartmut
Sciortino Francesco
Tartaglia Piero
Wessels Paul P. F.
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