A higher-order finite-difference approximation with Richardson’s extrapolation to the energy eigenvalues of the quartic, sextic and octic anharmonic oscillators

DOI10.1088/0143-0807/36/3/035025zbMATH Open1326.81062OpenAlexW2083814914MaRDI QIDQ3454655

Wajdi Gaddah

Publication date: 26 November 2015

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

Full work available at URL: https://doi.org/10.1088/0143-0807/36/3/035025

zbMATH Keywords

Richardson's extrapolationanharmonic oscillatorshigher-order finite-difference approximation

Mathematics Subject Classification ID

Closed and approximate solutions to the Schrödinger, Dirac, Klein-Gordon and other equations of quantum mechanics (81Q05)

Related Items (2)

A convergent renormalized strong coupling perturbation expansion for the ground state energy of the quartic, sextic, and octic anharmonic oscillator ⋮ Higher-order JWKB approximations for radial problems. II. The quartic oscillator

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