Abstract
Within the mode-coupling theory for the evolution of structural relaxation in glass-forming systems, it is shown that the correlation functions for density fluctuations for states at A 3 - and A 4 -glass-transition singularities can be presented as an asymptotic series in increasing inverse powers of the logarithm of the time t : , where g n ( x ) = p n (ln x )/ x n with p n denoting some polynomial and x = ln( t / t 0 ). The results are demonstrated for schematic models describing the system by solely one or two correlators and also for a colloid model with a square-well-interaction potential.
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