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    Topological valley Hall polariton condensation

    A photonic topological insulator features robust directional propagation and immunity to defect perturbations of the edge/surface state. Exciton-polaritons, that is, the hybrid quasiparticles of excitons and p...

    Kai Peng, Wei Li, Meng Sun, Jose D. H. Rivero, Chaoyang Ti, Xu Han in Nature Nanotechnology (2024)