Researchers present a non-Hermitian Bethe-Salpeter equation framework for open systems, apply it to valley excitons in transition metal dichalcogenides, and unc

Researchers present a non-Hermitian Bethe-Salpeter equation framework for open systems, apply it to valley excitons in transition metal dichalcogenides, and uncover exceptional points in momentum space and striking polarization patterns. 📝 [↧](https://t.co/1pOKupkFmr)