Very long-lived doubly vibrationally excited states above dissociation threshold: non-RRKM behavior in model triatomic systems |
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| Authors: | Richard M Hedges William P Reinhardt |
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| Institution: | Department of Chemistry, University of Colorado, Box 215, Boulder, Colorado 80309, USA;Joint Institute for Laboratory Astrophysics, Box 440, National Bureau of Standards and University of Colorado, Boulder, Colorado 80309, USA |
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| Abstract: | For couplings and mass ratios appropriate to molecules such as H2O, D2O, and CH2 large volumes of the classical vibrational phase space are found to be non-dissociating even well above threshold. Fully quantum calculations yield families of exceptionally long-lived quantum states corresponding to these trapped volumes. |
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