Abstract
We characterize the absolutely continuous spectrum of half-line one-dimensional Schrödinger operators in terms of the limiting behavior of the crystalline Landauer–Büttiker conductance of the associated finite samples.
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Bruneau, L., Jakšić, V., Last, Y. et al. Crystalline Conductance and Absolutely Continuous Spectrum of 1D Samples. Lett Math Phys 106, 787–797 (2016). https://doi.org/10.1007/s11005-016-0844-8
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DOI: https://doi.org/10.1007/s11005-016-0844-8