Studies of the Jahn-Teller effect .II. The dynamical problem

  title={Studies of the Jahn-Teller effect .II. The dynamical problem},
  author={Hugh Christopher Longuet-Higgins and U. {\"O}pik and Maurice Henry Lecorney Pryce and Robert A. Sack},
  journal={Proceedings of the Royal Society of London. Series A. Mathematical and Physical Sciences},
  pages={1 - 16}
This paper examines the vibronic energy levels of a symmetrical non-linear molecule in a spatially doubly degenerate electronic state which is split in first order by a doubly degenerate vibrational mode. The vibronic levels are classified by a quantum number, which in certain cases is formally related to the combined angular momentum of electronic and vibrational motion, and numerical values are obtained for the energies of these levels as functions of this quantum number and a dimensionless… 

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A seemingly irreversible behavior of the system dynamics in this strictly microscopic treatment is confirmed and the importance of this benchmark system to highlight complex, entangled multimode, and multistate vibronic dynamics is pointed out.

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Ultrafast internal conversion processes within the electronic manifolds in question demonstrate the strength of the nonadiabatic coupling effects and complement the analogous findings for the electronic spectra.



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The calculations of the effect of inertia on the dielectric properties of systems of identical non-interacting rigid dipoles with various types of fluctuation are extended to the case of free

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