Absolutely continuous spectrum for the Anderson model on a tree: a geometric proof of Klein's theorem

2005/11/15 by Richard Froese, Froese, Richard, David Hasler +3
Mathematics · Physics and Astronomy · #34L35 #82B44 #Advanced Mathematical Physics Problems #FOS: Physical sciences #Mathematical Physics (math-ph) #Quantum chaos and dynamical systems #Spectral Theory in Mathematical Physics

paper · pdf · doi:10.48550/arxiv.math-ph/0511050

openalex publication_date 2005/11/15 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

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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