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cond-mat.dis-nn2006★ 18 cited
The Origin of the Decoupling of Oxygen and Silicon Dynamics in Liquid Silica as Expressed by its Potential Energy Landscape
A. Saksaengwijit, A. Heuer
The oxygen and silicon dynamics in silica is compared via computer simulations. In agreement with experimental data and previous simulations a decoupling of oxygen and silicon dyna…
cond-mat.dis-nn2006
Dynamics of liquid silica as explained by properties of the potential energy landscape
A. Saksaengwijit, A. Heuer
The dynamics of silica displays an Arrhenius temperature dependence, classifying silica as a strong glass-former. Using recently developed concepts to analyse the potential energy…
cond-mat.dis-nn2005
Does the potential energy landscape of a supercooled liquid resemble a collection of traps?
A. Heuer, B. Doliwa, A. Saksaengwijit
It is analyzed whether the potential energy landscape of a glass-forming system can be effectively mapped on a random model which is described in statistical terms. For this purpos…