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Paper detail

Active Exterior Cloaking

A new method of cloaking is presented. For two-dimensional quasistatics it is proven how a single active exterior cloaking device can be used to shield an object from surrounding fields, yet produce very small scattered fields. The problem is reduced to finding a polynomial which is approximately one within one disk and zero within a second disk, and such a polynomial is constructed. For the two-dimensional Helmholtz equation, it is numerically shown that three active exterior devices placed around the object suffice to produce very good cloaking.

preprint2009arXivOpen access
Fernando Guevara VasquezGraeme W. MiltonDaniel Onofrei
math-phmath.MPphysics.optics
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Fernando Guevara VasquezGraeme W. MiltonDaniel Onofrei

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