4 May 2007 New properties of light in metamaterials
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Abstract
Maxwell's equations describe the classical electromagnetic properties of all systems, including metamaterials, which are periodic and highly inhomogeneous. In studies of metamaterials, however, one typically further assumes that their low-frequency properties are described by Maxwell's equations in an equivalent homogenous medium. Hence, tremendous recent efforts have focused on discovering structures with unusual properties in electrical permittivity and magnetic permeability tensors. Here we offer an alternative viewpoint, by designing three-dimensional metamaterials, which may be best described by effective uniform media that is non-Maxwellian. In the low-frequency limit, these metamaterials support multi-component effective fields, with the numbers of field-components designable by geometry. Our work indicates that the physics of metamaterials is far richer than previously anticipated. In particular, new effective low-energy theory with high symmetry can emerge from topological complexity alone.
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Shanhui Fan, Shanhui Fan, Jonghwa Shin, Jonghwa Shin, Jung-Tsung Shen, Jung-Tsung Shen, } "New properties of light in metamaterials", Proc. SPIE 6581, Metamaterials II, 658107 (4 May 2007); doi: 10.1117/12.724178; https://doi.org/10.1117/12.724178
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