Out-of-equilibrium critical dynamics at surfaces: Cluster dissolution and non-algebraic correlations

Details Out-of-equilibrium critical dynamics at surfaces: Cluster dissolution and non-algebraic correlations Out-of-equilibrium critical dynamics at surfaces: Cluster dissolution and non-algebraic correlations

2003-12-22

arxiv.org/abs/cond-mat/0312583v1

Phys. Rev. Lett. 92, 145701 (2004)

Physics

Condensed Matter

Statistical Mechanics

4 pages, 4 figures

Scientific paper

10.1103/PhysRevLett.92.145701

We study nonequilibrium dynamical properties at a free surface after the system is quenched from the high-temperature phase into the critical point. We show that if the spatial surface correlations decay sufficiently rapidly the surface magnetization and/or the surface manifold autocorrelations has a qualitatively different universal short time behavior than the same quantities in the bulk. At a free surface cluster dissolution may take place instead of domain growth yielding stationary dynamical correlations that decay in a stretched exponential form. This phenomenon takes place in the three-dimensional Ising model and should be observable in real ferromagnets.

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