Dynamical pseudo-Jahn-Teller effect: time evolution of quantum states above avoided crossing of electronic levels

23rd International Symposium on the Jahn-Teller Effect

Hizhnyakov, V.^1 ; Kaasik, H.^1 ; Vaikjärv, T.^1

Institute of Physics, University of Tartu, W. Ostwaldi Str 1, Tartu

50411, Estonia^1

关键词: Avoided crossings;    Electronic levels;    Quantum state;    Time evolutions;    Vibronic state;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/833/1/012013/pdf
DOI  :  10.1088/1742-6596/833/1/012013

来源: IOP

【 摘 要 】

Quantum states above the avoided crossing of electronic levels of a vibronic system with pseudo-Jahn-Teller effect are considered both analytically and numerically. Equations for energies and wave functions of the states are derived. Expansions of these functions over numerically exact vibronic states are obtained and time evolution of the states is found by applying the Fock-Krylov theorem.