A dissipative anisotropic Yao-Lee model is exactly solvable via non-Hermitian fermionic mapping, hosting a large manifold of non-equilibrium steady states and a PT symmetry breaking transition with an exceptional ring in the Liouvillian spectrum.
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Krylov complexity remains nonsingular at SWSSB crossovers but shows a singular area-to-volume-law transition at genuine mixed-state SWSSB phase transitions in dephasing channels.
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Dissipative Yao-Lee Spin-Orbital Model: Exact Solvability and $\mathcal{PT}$ Symmetry Breaking
A dissipative anisotropic Yao-Lee model is exactly solvable via non-Hermitian fermionic mapping, hosting a large manifold of non-equilibrium steady states and a PT symmetry breaking transition with an exceptional ring in the Liouvillian spectrum.
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Krylov Complexity and Mixed-State Phase Transition
Krylov complexity remains nonsingular at SWSSB crossovers but shows a singular area-to-volume-law transition at genuine mixed-state SWSSB phase transitions in dephasing channels.