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  Home > JCE Print > Journal of Chemical Education > Issues > 1999  > July  >
Research: Science and Education
Compounding Selection Rules in Quantum Mechanics
K. R. Brownstein and K. S. Capelle
University of Maine, Department of Physics and Astronomy, 5709 Bennett Hall, Orono, ME 04469-5709
Cover
July 1999
Vol. 76 No. 7
p. 992
Abstract
The selection rule for matrix elements, <nj|ab|nk>, of a product of operators, ab, can be obtained by compounding the selection rules for the matrix elements <nj|a|nk> and <ns|b|nk> of the individual operators through intermediate states |ns. We point out that a naive application of this technique may lead to misleading results due to nonexistent intermediate "ghost" states.
More Information
*  Citation
 Brownstein, Kenneth R.; Capelle, K. S. J. Chem. Educ. 1999 76 992.
*  Keywords
 Teaching / Learning Aids; Quantum Chemistry; Theoretical Chemistry; Excited States / Energy Transfer
*  History
 Created:
Last Updated:		 June 9, 1999
June 23, 2005
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