Alvarez, Gabriel Bender-Wu branch points in the cubic oscillator. (English) Zbl 0867.34068 J. Phys. A, Math. Gen. 28, No. 16, 4589-4598 (1995). Cited in 12 Documents MSC: 34L15 Eigenvalues, estimation of eigenvalues, upper and lower bounds of ordinary differential operators 81Q20 Semiclassical techniques, including WKB and Maslov methods applied to problems in quantum theory Keywords:cubic anharmonic oscillator; Bender-Wu branch points PDF BibTeX XML Cite \textit{G. Alvarez}, J. Phys. A, Math. Gen. 28, No. 16, 4589--4598 (1995; Zbl 0867.34068) Full Text: DOI OpenURL