In a Chern insulator model, excitons bound to topologically protected ring-shaped defect states have lower binding energies and parameter-sensitive wave function ordering compared to trivial defect states.
Colloquium: Excitons in atomically thin transi- tion metal dichalcogenides
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Defect-Bound Excitons in Topological Materials
In a Chern insulator model, excitons bound to topologically protected ring-shaped defect states have lower binding energies and parameter-sensitive wave function ordering compared to trivial defect states.