Abstract
We give a new proof of a version of Klein’s theorem on the existence of absolutely continuous spectrum for the Anderson model on the Bethe Lattice at weak disorder.
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Froese, R., Hasler, D. & Spitzer, W. Absolutely Continuous Spectrum for the Anderson Model on a Tree: A Geometric Proof of Klein’s Theorem. Commun. Math. Phys. 269, 239–257 (2007). https://doi.org/10.1007/s00220-006-0120-3
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DOI: https://doi.org/10.1007/s00220-006-0120-3