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  • Article
    Citation - WoS: 64
    Citation - Scopus: 68
    On the Concept of Spectral Singularities
    (indian Acad Sciences, 2009) Guseinov, Gusein Sh
    In this paper, we discuss the concept of spectral singularities for non-Hermitian Hamiltonians. We exihibit spectral singularities of some well-known concrete Hamiltonians with complex-valued coefficients.