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Scattering of Acoustic and Electromagnetic Waves by Small Impedance Bodies of Arbitrary Shapes by Alexander G. Ramm

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CHAPTER 3

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CREATING MATERIALS WITH A DESIRED REFRACTION COEFFICIENT

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3.1 Scalar wave scattering. Formula for the refraction coefficient.

Suppose that in a bounded domain filled with a material with a known refraction coefficient n0(x) M small (ka image 1) bodies Dm,1 ≤ mM, of an arbitrary shape are embedded according to the distribution law (2.1.11), and the boundary impedance of these small bodies is given in (2.1.12). If conditions (2.1.22), (2.1.23), ...

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