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. 2024 Apr 12;10(15):eadn6095. doi: 10.1126/sciadv.adn6095

Fig. 1. Bulk states corresponding to spin, valley, and heterogeneous topological photonic insulators.

Fig. 1.

(A) A rotation parameter θ in the spin-valley phase space. (B to E) Bulk bands around the Γ point with (B) θ = 0. (C) θ = π/4 . (D) θ = π/2. (E) θ = 3π/4. (F) θ = π.