Anharmonic collective vibrational modes in ABA triatomic molecules

Masahiro Iwai; R. D. Levine

doi:10.1103/PhysRevA.42.3991

Anharmonic collective vibrational modes in ABA triatomic molecules

Masahiro Iwai^*, R. D. Levine

^*Corresponding author for this work

Institute of Chemistry

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

An algebraic Hamiltonian for two coupled anharmonic (Morse-type) oscillators admits an exact symmetry at a finite value of the coupling constant. The two symmetry-adapted modes are neither local nor normal, yet are independent. The explicit discussion is given for two coupled stretch modes but the same symmetry is found also when the two stretches are in addition coupled to the bend mode.

Original language	English
Pages (from-to)	3991-3995
Number of pages	5
Journal	Physical Review A
Volume	42
Issue number	7
DOIs	https://doi.org/10.1103/PhysRevA.42.3991
State	Published - 1990

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Anharmonic collective vibrational modes in ABA triatomic molecules

Abstract

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