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Multimode Jahn‐Teller effect for an E term with strong vibronic coupling I. Local and resonant states
Author(s) -
Polinger V. Z.,
Bersuker G. I.
Publication year - 1979
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.2220950210
Subject(s) - vibronic coupling , jahn–teller effect , adiabatic process , vibronic spectroscopy , physics , lattice (music) , multi mode optical fiber , condensed matter physics , adiabatic theorem , molecular vibration , impurity , atomic physics , excitation , molecular physics , chemistry , quantum mechanics , excited state , raman spectroscopy , optics , ion , optical fiber , acoustics
The multimode Jahn‐Teller (JT) effect problem for an impurity orbital doublet strongly linearly interacting with lattice vibrations is solved. Within the adiabatic approximation the behaviour of the system is reduced to its collective rotation along and to small harmonic vibrations near the bottom of the circular trough of the potential surface. The JT interaction induces JT local and resonant states essential in the interpretation of the fine structure of vibronic spectra. The conditions of their occurrence are discussed.