Campuses:

Neumann Poincare Operator

Friday, April 28, 2017 - 9:00am - 10:00am
Robert Lipton (Louisiana State University)
We examine periodically structured media. When periods of the structure are on the same length scale as the wavelength then destructive interference can occur. This gives rise to frequency intervals where no waves can propagate inside the material. These are the well known photonic band gap crystals. These crystals offer great promise in new technology and also occur naturally and can be seen in the structural coloration of butterfly wings. In this lecture we highlight auxiliary spectral problems directly related to the physical structure of these materials.
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