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Plasmonic topological insulators using dual layer hexagonal complementary structure provide TE/TM pseudospin edge states. We use finite-difference time-domain method to analyze its nontrivial band structure and the transmission efficiency of topological protected edges states. Chern numbers are calculated by both Berry curvature and Willson loop method. The effect of defects, sharp bendings and scattering loss in one-way transmission are also discussed.
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