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Chaos-induced breaking of the Franck-Condon approximation | | Hisatsugu Yamasaki
; Yuhei Natsume
; Akira Terai
; Katsuhiro Nakamura
; | | Date: |
20 Nov 2003 | | Subject: | Chaotic Dynamics; Materials Science | nlin.CD cond-mat.mtrl-sci | | Abstract: | We investigate the vibrational structure of electronic spectra for the transition from the non-degenerate $A$ state to $E$ states in $E_gotimes e_g$ Jahn-Teller systems with the trigonal field included. In connection with the underlying chaotic behavior for vibronic energy levels in this model reported by the present authors in Phys.Rev.{f E68}(2003)046201, we extend the analysis by Longuet-Higgins et al. to the classically chaotic system. In particular, the triple-humped structure is manifest with increasing the anharmonicity. Such structure is completely inconsistent with the shape obtained from Franck-Condon(FC) approximation, and is caused by the chaos-induced beaking of the FC principle. | | Source: | arXiv, nlin.CD/0311038 | | Services: | Forum | Review | PDF | Favorites | |
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