configuration interaction


Also found in: Acronyms, Wikipedia.

configuration interaction

[kən‚fig·yə′rā·shən in·tər′ak·shən]
(physical chemistry)
Interaction between two different possible arrangements of the electrons in an atom (or molecule); the resulting electron distribution, energy levels, and transitions differ from what would occur in the absence of the interaction.
References in periodicals archive ?
An investigation on level structure of B I using configuration interaction methods.
The authors also note that several research groups are currently using these methods and theories in conjunction with the Moller-Plesset perturbation theory and the configuration interaction method.
This work employs a very novel wave function, namely, one consisting of at most a single [r.sup.12] raised to the first power combined with a conventional nonorthogonal configuration interaction basis.

Full browser ?