Nonequilibrium critical relaxation in the presence of extended defects

Details Nonequilibrium critical relaxation in the presence of extended defects Nonequilibrium critical relaxation in the presence of extended defects

2004-12-02

arxiv.org/abs/cond-mat/0412040v1

Phys. Rev. B 69, 134301 (2004)

Physics

Condensed Matter

Disordered Systems and Neural Networks

9 pages, 1 figure, revtex4

Scientific paper

10.1103/PhysRevB.69.134301

We study nonequilibrium critical relaxation properties of systems with quenched extended defects, correlated in $\epsilon_d$ dimensions and randomly distributed in the remaining $d-\epsilon_d$ 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 $\theta$ and $\theta^{\prime}$, which describe the growth of correlations during the initial stage of the critical relaxation, in the two-loop approximation.

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