Non-Hermitean De-Localization: Multiple Scattering and Bounds
classification
❄️ cond-mat
keywords
boundsmultiplenon-hermiteanscatteringaccountclasscomplexde-localization
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We study localization and delocalization in a class of non-hermitean Hamiltonians inspired by the problem of vortex pinning in superconductors. We show how to take into account multiple scattering. We also obtain some bounds on the complex energy spectrum.
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