A high-precision study of anharmonic-oscillator spectra

DOI10.1006/aphy.1998.5854zbMath0974.81015OpenAlexW2104892640MaRDI QIDQ1283695

M. H. Macfarlane

Publication date: 16 December 2001

Published in: Annals of Physics (Search for Journal in Brave)

Full work available at URL: https://semanticscholar.org/paper/61aa384314199ed08ac031d5d5a523a118619b62

zbMATH Keywords

eigenvaluesLanczos algorithmfifth-order JWKBfigure accuracy

Mathematics Subject Classification ID

Perturbation theories for operators and differential equations in quantum theory (81Q15) Semiclassical techniques, including WKB and Maslov methods applied to problems in quantum theory (81Q20) Compactness in topological linear spaces; angelic spaces, etc. (46A50)

Related Items

Lanczos method of tridiagonalization, Jacobi matrices and physics, Computing energy eigenvalues of anharmonic oscillators using the double exponential sinc collocation method, Diagonalization of complex symmetric matrices: generalized Householder reflections, iterative deflation and implicit shifts, High-precision arithmetic in mathematical physics

Uses Software

• Maple
• LINPACK
• Algorithm 719

Cites Work

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