Resonant interactions of normal modes in rotating classical molecules

Resonant interactions of normal modes in rotating classical molecules

Vibrational motions of isolated rotating classical molecules exhibit resonance due to Coriolis and centrifugal coupling. Analytical solutions for normal mode amplitudes are obtained under the assumptions of constant rotation rate and harmonic intramolecular forces. Degenerate modes resonate most str...

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Veröffentlicht in:The Journal of chemical physics 1984-03, Vol.80 (5), p.2243-2244
Hauptverfasser: COMBS, J. A, HOOVER, W. G
Format: Artikel
Sprache:eng
Schlagworte:
Atomic and molecular physics
Exact sciences and technology
Molecular properties and interactions with photons
Molecular spectra
Physics
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Zusammenfassung:Vibrational motions of isolated rotating classical molecules exhibit resonance due to Coriolis and centrifugal coupling. Analytical solutions for normal mode amplitudes are obtained under the assumptions of constant rotation rate and harmonic intramolecular forces. Degenerate modes resonate most strongly, completely exchanging energy after a rotation through an angle θr=π/2ζ, where 0
ISSN:0021-9606
1089-7690
DOI:10.1063/1.446922