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We use molecular dynamics computer simulations to investigate a criticaltemperature T_c for a dynamical glass transition as proposed by themode-coupling theory (MCT) of dense liquids in a glass formingNi_{0.8}Zr_{0.2}-system. The critical temperature T_c are analyzed fromdifferent quantities and checked the consistency of the estimated values, i.e.from (i) the non-vanishing nonergodicity parameters as asymptotic solutions ofthe MCT equations in the arrested state, (ii) the ${\bf{g}}_m$-parametersdescribing the approach of the melt towards the arrested state on the ergodicside, (iii) the diffusion coefficients in the melt. The resulting T_c valuesare found to agree within about 10%.

Dynamical glass transition: critical temperature T_c and memory kernel in MD-simulated Ni_{0.8}Zr_{0.2}