A study of the diabatic electronic representation within the Born-Oppenheimer approximation
- 10 February 1992
- journal article
- research article
- Published by Taylor & Francis in Molecular Physics
- Vol. 75 (2) , 293-303
- https://doi.org/10.1080/00268979200100231
Abstract
This work considers the adiabatic-diabatic transformation for electronic states and the diabatic representation which follows accordingly. Two cases where ambiguity is encountered are discussed: one is the case where the reduced electronic manifold is not well separated everywhere in configuration space and the other is the case of conical intersections exemplified by the E ⊗ ε Jahn-Teller situation. It is shown that in both cases well defined diabatic states can be formed in most regions of configuration space.Keywords
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