Premium
The jahn‐teller effect
Author(s) -
Ham Frank S.
Publication year - 2009
Publication title -
international journal of quantum chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.484
H-Index - 105
eISSN - 1097-461X
pISSN - 0020-7608
DOI - 10.1002/qua.560050825
Subject(s) - jahn–teller effect , distortion (music) , limiting , limit (mathematics) , physics , statistical physics , coupling (piping) , condensed matter physics , quantum mechanics , materials science , mathematics , ion , mathematical analysis , engineering , mechanical engineering , amplifier , optoelectronics , cmos , metallurgy
This paper surveys the present understanding of the Jahn‐Teller effect and includes a historical review of the principal advances. The important role of the dynamic Jahn‐Teller effect in many experimental phenomena has only recently been recognized, and the predicted effects have now been observed in a large number of systems. The dynamic Jahn‐Teller effect also explains why a Jahn‐Teller distortion does not appear in certain cases for which it was expected and for which its absence was a long‐standing puzzle. A Jahn‐Teller distortion or “static” Jahn‐Teller effect occurs as a limiting case of the dynamic effect, in the limit of strong coupling, and criteria for this transition are presented.