Spectra ofPT-symmetric operators and perturbation theory

DOI10.1088/0305-4470/38/1/013zbMath1065.81054arXivmath-ph/0407052OpenAlexW3104680131MaRDI QIDQ4653637

Johannes Sjöstrand, Sandro Graffi, Emanuela Caliceti

Publication date: 7 March 2005

Published in: Journal of Physics A: Mathematical and General (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/math-ph/0407052

Mathematics Subject Classification ID

Closed and approximate solutions to the Schrödinger, Dirac, Klein-Gordon and other equations of quantum mechanics (81Q05) General spectral theory of ordinary differential operators (34L05) Selfadjoint operator theory in quantum theory, including spectral analysis (81Q10) Covariant wave equations in quantum theory, relativistic quantum mechanics (81R20)

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