Parent Hamiltonian and Intrinsic Phase Transition in Non-Hermitian Photonic SystemsRemoveYuntao Xiao, Yuchen Guo, Xiaojian Huang, Huixia Gao, Dengke Qu, Lei Xiao, Kunkun Wang, Shuo Yang, and Peng XuePhys. Rev. Lett. 137, 110401 (2026)