Analysis of the Jahn-Teller effect in the n p2E′ Rydberg series of H3 and D3

A. Staib, W. Domcke

Publikation: Beitrag in FachzeitschriftArtikelBegutachtung

33 Zitate (Scopus)

Abstract

Spectroscopic signatures of Jahn-Teller (JT) coupling in the n px,y2E′ Rydberg series of H3 and D3 are analyzed within a simple multi-channel-quantum-defect-type model. The JT coupling constant has been inferred from existing ab initio calculations of the potential-energy surfaces of low Rydberg states of H3. The model predicts pronounced resonant perturbations in Rydberg members with intermediate n (n=5-7) as well as strong JT-induced autoionization in absorption and ion-yield spectra from vibrationally excited initial levels. The JT-induced effects are shown to exhibit a characteristic dependence on the vibrational angular momentum of the bending mode in the initial state.

OriginalspracheEnglisch
Seiten (von - bis)275-282
Seitenumfang8
FachzeitschriftZeitschrift fur Physik D-Atoms Molecules and Clusters
Jahrgang16
Ausgabenummer4
DOIs
PublikationsstatusVeröffentlicht - Dez. 1990

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