Yeager, D. L. and McKoy, V. (1975) An equations of motion approach for open shell systems. Journal of Chemical Physics, 63 (11). pp. 4861-4869. ISSN 0021-9606. http://resolver.caltech.edu/CaltechAUTHORS:YEAjcp75
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A straightforward scheme is developed for extending the equations of motion formalism to systems with simple open shell ground states. Equations for open shell random phase approximation (RPA) are given for the cases of one electron outside of a closed shell in a nondegenerate molecular orbital and for the triplet ground state with two electrons outside of a closed shell in degenerate molecular orbitals. Applications to other open shells and extension of the open shell EOM to higher orders are both straightforward. Results for the open shell RPA for lithium atom and oxygen molecule are given.
|Additional Information:||Copyright © 1975 American Institute of Physics. (Received 8 January 1975) Supported by a grant from the National Science Foundation. Arthur Amos Noyes Laboratory of Chemical Physics, Contribution No. 5034.|
|Subject Keywords:||ATOMS, GROUND STATES, WAVEFUNCTIONS, ELECTRONIC STRUCTURE, RANDOM PHASE APPROXIMATION|
|Usage Policy:||No commercial reproduction, distribution, display or performance rights in this work are provided.|
|Deposited By:||Archive Administrator|
|Deposited On:||22 May 2008|
|Last Modified:||26 Dec 2012 10:03|
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