Numerical Analysis of the Spectral Properties of Coupled Oscillator Schrödinger Operators. II. Two-Coupled Anharmonic Oscillators

DOI10.1137/0719006zbMath0519.65064OpenAlexW1978055457MaRDI QIDQ3668774

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Publication date: 1982

Published in: SIAM Journal on Numerical Analysis (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1137/0719006

zbMATH Keywords

sparse matrixRayleigh quotient iterationlowest eigenvaluesblock Lanczoscoupled oscillator Schrödinger operatorstwo- coupled anharmonic oscillator

Mathematics Subject Classification ID

Estimates of eigenvalues in context of PDEs (35P15) Closed and approximate solutions to the Schrödinger, Dirac, Klein-Gordon and other equations of quantum mechanics (81Q05) Schrödinger operator, Schrödinger equation (35J10) Numerical methods for eigenvalue problems for boundary value problems involving PDEs (65N25)

Related Items (1)

Large coupling behavior of the energy eigenvalues of two anharmonic oscillators

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