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quant-ph2026
Parent Hamiltonian and intrinsic phase transition in non-Hermitian photonic systems
Yuntao Xiao, Yuchen Guo, Xiaojian Huang +6
Non-Hermitian systems host phenomena absent in Hermitian physics, but realizing Hamiltonians with intrinsic non-Hermitian properties remains challenging. The theoretical method of…
quant-ph2026
Quantum criticality in open quantum systems from the purification perspective
Yuchen Guo, Shuo Yang
Open quantum systems host mixed-state phases that go beyond the symmetry-protected topological and spontaneous symmetry-breaking paradigms established for closed, pure-state system…