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Full Range Scattering Estimates and Their Application to Cloaking |
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| Authors: | Hoai-Minh?Nguyen |
| Institution: | 1.Courant Institute, New York University,New York,USA;2.Department of Mathematics,Rutgers University,New Brunswick,USA |
| Abstract: | We establish very precise estimates for the time harmonic scattering effects of an inhomogeneity. Our estimates are valid at all frequencies, and are independent of the contents of the inhomogeneity. The involved constants are independent of the frequency. We use these estimates to assess the effectivity of approximate electromagnetic cloaks constructed by so called “mapping techniques”. |
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