$\mathcal {PT}$-symmetric optical superlattices
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Publication:5415830
DOI10.1088/1751-8113/47/16/165302zbMATH Open1288.81136arXiv1402.3165OpenAlexW3124471769MaRDI QIDQ5415830
Author name not available (Why is that?)
Publication date: 16 May 2014
Published in: (Search for Journal in Brave)
Abstract: The spectral and localization properties of -symmetric optical superlattices, either infinitely extended or truncated at one side, are theoretically investigated, and the criteria that ensure a real energy spectrum are derived. The analysis is applied to the case of superlattices describing a complex (-symmetric) extension of the Harper Hamiltonian in the rational case.
Full work available at URL: https://arxiv.org/abs/1402.3165
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