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The second dissociation threshold bound levels of hydrogen molecule
张彦鹏, 宋建平, 甘琛利, 严祥安, 聂志强, 姜 彤, 李 岭, 杜 凯, 张相臣, 卢克清, E.E. Eyler
2006 (10):
2288-2296.
doi: 10.1088/1009-1963/15/10/017
摘要
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The near-threshold highly bound states of all three stable isotopic
variants of molecular hydrogen have been studied. Numerous
perturbations and unexpected transitions are observed as far as
1cm\sj{-1} just below the second dissociation threshold. This
complex structure may arise from a combination of nonadiabatic
coupling between B, B', C electronic states, perturbations due to
fine and hyperfine interactions, and strong shape resonances. The
perturbed near-threshold states and vibrational continuum exhibit
finegrained structure, differing greatly between isotopes because of
varying nonadiabatic coupling.
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