arXiv:2111.01546 [quant-ph]AbstractReferencesReviewsResources Classifications Subjects Themes Keywords quartic anharmonic oscillator, quantum quartic single-well anharmonic oscillator, anharmonic oscillator eigenfunction, double-well anharmonic oscillator, uniformly-accurate approximation Tags journal article Journal Information Publisher Journal Year Month Volume Number Pages DOI URL Miscellaneous Typesetting Pages Language License Submit Reset