Stress-free Spatial Anisotropy in Phase-Ordering

Details Stress-free Spatial Anisotropy in Phase-Ordering Stress-free Spatial Anisotropy in Phase-Ordering

1996-02-19

arxiv.org/abs/cond-mat/9602097v1

Phys Rev E v 54, p R2181 (1996).

Physics

Condensed Matter

4 pages, 4 figures included

Scientific paper

10.1103/PhysRevE.54.R2181

We find spatial anisotropy in the asymptotic correlations of two-dimensional Ising models under non-equilibrium phase-ordering. Anisotropy is seen for critical and off-critical quenches and both conserved and non-conserved dynamics. We argue that spatial anisotropy is generic for scalar systems (including Potts models) with an anisotropic surface tension. Correlation functions will not be universal in these systems since anisotropy will depend on, e.g., temperature, microscopic interactions and dynamics, disorder, and frustration.

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