Dynamical potential approach to dissociation of H--C bond in HCO highly excited vibration |
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Authors: | Fang Chao and Wu Guo-Zhen |
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Institution: | Molecular and Nano Sciences Laboratory, Department of Physics, Tsinghua University, Beijing 100084, China |
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Abstract: | The highly excited vibrational levels of HCO in the electronic
ground state, \tilde {X}1A',are employed to determine the
coefficients of an algebraic Hamiltonian, by which the dynamical
potential is derived and shown to be very useful for interpreting
the intramolecular vibrational relaxation (IVR) which operates via
the HCO bending motion. The IVR inhibits the dissociation of H atom
and enhances the stochastic degree of dynamical character. This
approach is from a global viewpoint on a series of levels classified
by the polyad number which is a constant of motion in a certain
dynamical domain. In this way, the seemingly complicated level
structure shows very regular picture, dynamically. |
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Keywords: | HCO dissociation dynamical
potential stochastic dynamics |
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