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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<herd>sci-physics</herd>
<longdescription lang="en">
The MIT Photonic-Bands (MPB) package is a program for computing
the band structures (dispersion relations) and electromagnetic modes of
periodic dielectric structures, on both serial and parallel computers. It was
developed by Steven G. Johnson at MIT in the Joannopoulos Ab Initio Physics
group.
This program computes definite-frequency eigenstates of Maxwell's
equations in periodic dielectric structures for arbitrary wavevectors, using
fully-vectorial and three-dimensional methods. It is especially
designed for the study of photonic crystals (a.k.a. photonic
band-gap materials), but is also applicable to many other problems
in optics, such as waveguides and resonator systems.
(For example, it can solve for the modes of waveguides with arbitrary
cross-sections.)
</longdescription>
</pkgmetadata>
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