Topological Modes in One Dimensional Solids and Photonic Crystals
classification
❄️ cond-mat.mes-hall
keywords
crystalphotonictopologicalanaloguecharacterizedconfirmedconstructioncrystals
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It is shown theoretically that a one-dimensional crystal with time reversal symmetry is characterized by a Z_{2} topological invariant that predicts the existence or otherwise of edge states. This is confirmed experimentally through the construction and simulation of a photonic crystal analogue in the microwave regime.
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