Abstract
We prove that the spin-boson system is ergodic for arbitrary strengths of the coupling between the spin and the boson bath, provided the spin tunneling matrix element is small enough.
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Könenberg, M., Merkli, M. & Song, H. Ergodicity of the Spin-Boson Model for Arbitrary Coupling Strength. Commun. Math. Phys. 336, 261–285 (2015). https://doi.org/10.1007/s00220-014-2242-3
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DOI: https://doi.org/10.1007/s00220-014-2242-3