A Relaxed Model for Step-Terraces
on Crystalline Surfaces



Matthias Kurzke
University of Leipzig
Leipzig, Germany
kurzke@mathematik.uni-leipzig.de



Marc Oliver Rieger
Center for Nonlinear Analysis
Departmentof Mathematical Sciences
Carnegie Mellon Univeristy
Pittsburgh, PA 15213
rieger@sns.it

Abstract We study a variational problem that has been introduced to describe step-terraces on surfaces of so-called ``unorthodox'' crystals. Motivated by physical considerations, we use $\Gamma$-convergence to derive a simplified model that can be solved explicitly.

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