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Symmetry and Exact Solutions of General Spin-Boson Models
Yifan Sun, Lian-Ao Wu·February 23, 2026
Quantum PhysicsMathematical Physics
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Abstract
Spin-boson models are the canonical benchmark for quantum dissipation. We show the symmetry structure of general spin-boson Hamiltonians and obtain their spectra explicitly by exploiting the symmetry. As an illustration of the general case, we numerically demonstrate the exact solution for the two-mode case.