地平面和孤立目标隐身罩的一般缩放限制
General scaling limitations of ground-plane and isolated-object cloaks
摘要：
我们证明了，对于任意的三维变换为基础的不可见性伪装的物体以上的地平面或孤立的对象，有实际的约束，随着对象的大小而增加。特别是，我们表明，斗篷的厚度必须比例的厚度被掩盖的对象，假设有界的折射率，和吸收的差异和其他缺陷必须比例与对象的厚度成反比。对于孤立的物体，我们还表明，有界折射率意味着有效截面上的下限。
英文摘要：
We prove that, for arbitrary three-dimensional transformation-based invisibility cloaking of an object above a ground plane or of isolated object, there are practical constraints that increase with the object size. In particular, we show that the cloak thickness must scale proportional to the thickness of the object being cloaked, assuming bounded refractive indices, and that absorption discrepancies and other imperfections must scale inversely with the object thickness. For isolated objects, we also show that bounded refractive indices imply a lower bound on the effective cross-section.
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