Abstract
We give a transparent and intuitive proof that all eigenvalues of the Anderson model in the region of localization are simple.
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Klein, A., Molchanov, S. Simplicity of Eigenvalues in the Anderson Model. J Stat Phys 122, 95–99 (2006). https://doi.org/10.1007/s10955-005-8009-7
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DOI: https://doi.org/10.1007/s10955-005-8009-7