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- W2045621252 abstract "This work presents the bound-state spectra of Morse oscillator, which remains one of the oldest important model potentials for molecules. Accurate ro-vibrational energies are obtained by means of a generalized pseudospectral method that offers an optimal, non-uniform discretization of the radial grid. Both s-wave (ℓ = 0) and rotational (ℓ ≠ 0) states for low and high quantum numbers are calculated for four representative diatomic molecules, namely H2, LiH, HCl and CO. First nine states belonging to a maximum of n, ℓ = 2 are computed with good accuracy, along with nine other high-lying states for each of these molecules. Present results surpass the accuracy of all hitherto published calculations found so far, except the tridiagonal J-matrix method, which produces similar accuracy as ours. Detailed variation of energies with respect to state indices n, ℓ shows interesting behavior. A host of new states including the higher ones are reported as well. This offers a simple general efficient scheme for calculating these and other similar potentials in molecular physics." @default.
- W2045621252 created "2016-06-24" @default.
- W2045621252 creator A5028514592 @default.
- W2045621252 date "2013-01-01" @default.
- W2045621252 modified "2023-10-18" @default.
- W2045621252 title "Accurate ro-vibrational spectroscopy of diatomic molecules in a Morse oscillator potential" @default.
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- W2045621252 doi "https://doi.org/10.1016/j.rinp.2013.06.001" @default.
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