RYDBERG STATE DYNAMICS OP ROTATING, VIBRATING $H_{3}$ AND THE JAHN-TELLER EFFECT
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Date
1994
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Ohio State University
Abstract
We are developing a multichannel quantum defect formulation to describe the collision of a Rydberg or continuum electron with a vibrating and rotating polyatomic $inon.^{1}$ We formulate a full rovibronic frame transformation which accounts simultaneously for vibrationally and rotationally inelastic collisions (preionization) and $\ell$ uncoupling. Interactions among degenerate Rydberg series, arising from Jahn-Teller distortions of molecular geometry, play an important role in the formulation. As application to the $1s^{2}3sA^{\prime}_{1} \rightarrow 1s^{2} \epsilon pA^{\prime\prime}_{2}, \epsilon pE^{\prime}$ Rydberg photoabsorption spectrum of $H_{3}$ accounts for many of its observed $features.^{2}$
Description
1. J. A. Stephens and C. H. Greene, Phys. Rev. Lett 72, 1624 (1994). 2. M. C. Bordas, L. J. Lembo, and H. Helm, Phys. Rev. A 44, 1817 (1991)
Author Institution: Joint Institute for Laboratory Astro Physics and Department of Physics, University of Colorado
Author Institution: Joint Institute for Laboratory Astro Physics and Department of Physics, University of Colorado