Relativistic multi-mode Jahn–Teller effect in cubic and octahedral molecular systems is studied in a momentum representation. In the case under consideration, the momentum representation is equivalent to the five-dimensional Fourier… Click to show full abstract
Relativistic multi-mode Jahn–Teller effect in cubic and octahedral molecular systems is studied in a momentum representation. In the case under consideration, the momentum representation is equivalent to the five-dimensional Fourier transform the use of which allows to reduce the order of vibronic Schrödinger equation for nuclear amplitudes thus simplifying the analytical treatment. The basic result of this work is a quantum calculation of the non-adiabatic transition probability in the multi-mode vibronic system, which does not allow complete separation of variables. GRAPHICAL ABSTRACT
               
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