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arXiv · 1208.4460

Anomalous Roughening of Curvature-Driven Growth With a Variable Interface Window

Yong-Jun Chen·Yuko Nagamine·Tomohiko Yamaguchi·Kenichi Yoshikawa
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Abstract

We studied the curvature-driven roughening of a disk domain pattern with a variable interface window. The relaxation of interface is driven by negative surface tension . When a domain boundary propagates radially at a constant rate, we found that evolution of interface roughness follows scaling dynamic behavior. The local growth exponents are substantially different from the global exponents. Curvature-driven roughening belongs to a new class of anomalous roughening dynamics. However, a different surface tension leads to different global exponents. This is different from that of interface evolution with a fixed-size window, which has universal exponent. The variable growth window leads to a new class of anomalous roughening dynamics.

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Yong-Jun Chen, Yuko Nagamine, Tomohiko Yamaguchi, Kenichi Yoshikawa. 2012-08-22. Anomalous Roughening of Curvature-Driven Growth With a Variable Interface Window. https://doi.org/10.1103/physreve.82.021604

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