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Counterposed phase velocity and energy-transport velocity vectors in a dielectric-magnetic uniaxial medium

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When a plane wave is launched from a plane surface in a linear, homogenous, dielectric–magnetic, uniaxial medium, we show that its phase velocity and the energy–transport velocity vectors can be counterposed (i.e., lie on different sides of the surface normal) under certain circumstances.

Document Type: Research Article


Affiliations: 1: Computational & Theoretical Materials Sciences Group (CATMAS), Department of Engineering Science & Mechanics, Pennsylvania State University, University Park, PA 16802-6812, USA 2: Department of Physics, Imperial College London, Prince Consort Road, London SW7 2BZ, UK

Publication date: 2004-05-01

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