Orthogonalized-plane-wave approximation in the calculation of photoionization cross sections of molecules |
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Authors: | Takashi Fujikawa Toshiaki Ohta Haruo Kuroda |
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Affiliation: | Department of Chemistry, Faculty of Science, University of Tokyo, Hongo, Tokyo 113 Japan |
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Abstract: | The physical bases of the OPW approximation in the calculation of molecular photoionization cross sections are considered in terms of the scattering theory, and the ways of improving the calculation within the framework of OPW approximation are discussed.Numerical calculations are done on several molecules by the ordinary OPW method and by its modifications using the bound orbitals obtained by ab initio SCFMO calculations with gaussian basis set. |
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