On the concept of spectral singularities

On the concept of spectral singularities

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.

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Veröffentlicht in:Pramāṇa 2009-09, Vol.73 (3), p.587-603
1. Verfasser: Guseinov, Gusein Sh
Format: Artikel
Sprache:eng
Schlagworte:
Astronomy
Astrophysics and Astroparticles
Observations and Techniques
Physics
Physics and Astronomy
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Beschreibung
Zusammenfassung: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.
ISSN:0304-4289
0973-7111
DOI:10.1007/s12043-009-0111-y