Anharmonic oscillators in the complex plane, \(\mathcal{PT}\)-symmetry, and real eigenvalues
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Publication:638583
DOI10.1007/s11118-010-9208-7zbMath1263.34123arXiv1008.0905OpenAlexW1976825826MaRDI QIDQ638583
Publication date: 13 September 2011
Published in: Potential Analysis (Search for Journal in Brave)
Full work available at URL: https://arxiv.org/abs/1008.0905
Particular ordinary differential operators (Dirac, one-dimensional Schrödinger, etc.) (34L40) Asymptotic distribution of eigenvalues, asymptotic theory of eigenfunctions for ordinary differential operators (34L20) Inverse problems involving ordinary differential equations (34A55) Ordinary differential equations in the complex domain (34M99)
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