Buslaev, Vladimir; Grecchi, Vincenzo Equivalence of unstable anharmonic oscillators and double wells. (English) Zbl 0817.47077 J. Phys. A, Math. Gen. 26, No. 20, 5541-5549 (1993). Cited in 42 Documents MSC: 47N50 Applications of operator theory in the physical sciences 81Q10 Selfadjoint operator theory in quantum theory, including spectral analysis Keywords:resonances; equality of the energy levels of a pair of different quantum problems; double well and the unstable anharmonic oscillator defined by complex translation; analytic continuations of the anharmonic oscillator energy levels PDF BibTeX XML Cite \textit{V. Buslaev} and \textit{V. Grecchi}, J. Phys. A, Math. Gen. 26, No. 20, 5541--5549 (1993; Zbl 0817.47077) Full Text: DOI OpenURL