On the Concept of Spectral Singularities
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Date
2009
Authors
Journal Title
Journal ISSN
Volume Title
Publisher
indian Acad Sciences
Open Access Color
Green Open Access
No
OpenAIRE Downloads
OpenAIRE Views
Publicly Funded
No
BIP! Indicators
Impulse
Top 10%
Influence
Top 10%
Popularity
Top 10%
Abstract
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.
Description
Keywords
Non-Hermitian Hamiltonian, resolvent, spectrum, spectral singularity, expansion in eigenfunctions
Fields of Science
0103 physical sciences, 0101 mathematics, 01 natural sciences
Citation
WoS Q
Q2
Scopus Q
OpenCitations Citation Count
63
Source
Pramana
Volume
73
Issue
3
Start Page
587
End Page
603
PlumX Metrics
Citations
CrossRef : 38
Scopus : 69
Captures
Mendeley Readers : 16
SCOPUS™ Citations
69
checked on Apr 26, 2026
Web of Science™ Citations
65
checked on Apr 26, 2026
Page Views
2
checked on Apr 26, 2026
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