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Considerations concerning the harmonic limit of the Morse oscillator

Domenii publicaţii > Fizica + Tipuri publicaţii > Articol în revistã ştiinţificã

Autori: Dusan Popov

Editorial: Physica Scripta, 63, p.257-262, 2001.


The comprehesive conditions concerning the harmonic limit of the Morse oscillator are investigated in this paper. These conditions extend the over-simple „classical” condition, which results by truncating the expansion of the Morse potential function in the power series of the coordinate close to the equilibrium position. The validity of the obtained results is tested by calculating the harmonic limit of the expected values of some characteristic physical observables of the Morse oscillator systems.

Cuvinte cheie: Morse oscillator, harmonic oscillator, harmonic limit, density matrix,