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Photonic crystals

Achieving robust Weyl points

The isolated symmetry points of photonic graphene are unstable in three dimensions. Researchers have now proposed topologically robust points by using minimal surfaces and employing symmetry-breaking ideas from quantum field theory.

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Figure 1: Gyroid structures.


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Correspondence to Jason Fleischer.

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Fleischer, J. Achieving robust Weyl points. Nature Photon 7, 268–269 (2013).

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