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Electric and magnetic dipolar response of germanium nanospheres: interference effects, scattering anisotropy, and optical forces

Electric and magnetic dipolar response of germanium nanospheres: interference effects, scattering anisotropy, and optical forces

The coherent combination of electric and magnetic responses is the basis of the electromagnetic behavior of new engineered metamaterials. The basic constituents of their meta-atoms usually have metallic character and consequently high absorption losses. Based on standard "Mie" scattering theory, we found that there is a wide window in the …