Shibuya, Tai-Ichi and Rose, John and McKoy, Vincent (1973) Equations-of-motion method including renormalization and double-excitation mixing. Journal of Chemical Physics, 58 (2). pp. 500-507. ISSN 0021-9606. doi:10.1063/1.1679230. https://resolver.caltech.edu/CaltechAUTHORS:20120809-105141718
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Abstract
The equations‐of‐motion method is discussed as an approach to calculating excitation energies and transition moments directly. The proposed solution [T. Shibuya and V. McKoy, Phys. Rev. A 2, 2208 (1970)] of these equations is extended in two ways. First we include the proper renormalization of the equations with respect to the ground state particle‐hole densities. We then show how to include the effects of two‐particle‐hole components in excited states which are primarily single‐particle‐hole states. This is seen to be equivalent to a single‐particle‐hole theory with a normalized interaction. Applications to various diatomic and polyatomic molecules indicate that the theory can predict excitation energies and transition moments accurately and economically.
Item Type: | Article | |||||||||
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Additional Information: | © 1973 The American Institute of Physics. Received 20 August 1971. Work supported in part by a grant from the National Science Foundation. | |||||||||
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Issue or Number: | 2 | |||||||||
DOI: | 10.1063/1.1679230 | |||||||||
Record Number: | CaltechAUTHORS:20120809-105141718 | |||||||||
Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20120809-105141718 | |||||||||
Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
ID Code: | 33047 | |||||||||
Collection: | CaltechAUTHORS | |||||||||
Deposited By: | Tony Diaz | |||||||||
Deposited On: | 09 Aug 2012 23:23 | |||||||||
Last Modified: | 09 Nov 2021 21:32 |
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