Nonequilibrium critical relaxation in the presence of extended defects
Abstract
We study nonequilibrium critical relaxation properties of systems with quenched extended defects, correlated in εd dimensions and randomly distributed in the remaining d-εd dimensions. Using a field-theoretic renormalization-group approach, we find the scaling behavior of the nonequilibrium response and correlation functions and calculate the initial slip exponents θ and θ, which describe the growth of correlations during the initial stage of the critical relaxation, in the two-loop approximation.
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