Journal
JOURNAL OF CHEMICAL PHYSICS
Volume 129, Issue 17, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3013559
Keywords
chaos; dissociation; oscillators; resonant states
Funding
- U. S. Department of Energy Basic Energy Sciences [DE-FG02-05ER15634]
- U.S. Department of Energy (DOE) [DE-FG02-05ER15634] Funding Source: U.S. Department of Energy (DOE)
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A generalized effective fitting Hamiltonian is tested against a model system of highly excited coupled Morse oscillators. At energies approaching dissociation, a very few resonance couplings in addition to the standard 1:1 and 2:2 couplings of the Darling-Dennison Hamiltonian suffice to fit the spectrum and match the large-scale features of the mixed regular and chaotic phase spaces, consisting of resonance zones organized around periodic orbits of low order that break the total polyad action.
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