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Spontaneous Breaking of Rotational Symmetry with Arbitrary Defects and a Rigidity Estimate

机译:具有任意缺陷和刚度估计的自旋破坏对称性

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摘要

The goal of this paper is twofold. First we prove a rigidity estimate, which generalises the theorem on geometric rigidity of Friesecke, James and Muller to 1-forms with non-vanishing exterior derivative. Second we use this estimate to prove a kind of spontaneous breaking of rotational symmetry for some models of crystals, which allow almost all kinds of defects, including unbounded defects as well as edge, screw and mixed dislocations, i.e. defects with Burgers vectors.
机译:本文的目标是双重的。首先,我们证明了一个刚度估计,它把Friesecke,James和Muller的几何刚度定理推广为具有不消失的外部导数的1个形式。其次,我们使用该估计值来证明某些晶体模型的自发性旋转对称性破坏,该模型允许几乎所有类型的缺陷,包括无界缺陷以及边缘,螺旋和混合位错,即Burgers向量缺陷。

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