Citation
Huestis, David Lee (1973) I. The Projected GI Method and the Excited States of H₂. II. A Superposition Principle for Siegert Resonant States. Dissertation (Ph.D.), California Institute of Technology. doi:10.7907/zqek-hg39. https://resolver.caltech.edu/CaltechTHESIS:11052009-132233582
Abstract
The simplest orbital wavefunction that adequately describes the dissociation of the excited states of homonuclear diatomic molecules must involve a spatial symmetry projection operator. The use of such a wavefunction has been developed in detail and applied to the excited states of the hydrogen molecule. It was found that the advantages of an independent-particle description are enhanced considerably by spatial projection. The low-lying Σ states of H_2 are explained unambiguously and convincingly in terms of orbital character based on the model of the one-electron heteronuclear diatomics. Recent experimental work in electron impact spectroscopy has illustrated that short-lived negative-ion resonances must play an important role. In an attempt to show that such resonances form a natural and complete characterization of the scattering process, the properties of the resonant states defined by Siegert have been investigated. In specific, a superposition principle for Siegert states was found, which provides a complete description of any quantum mechanical event involving a potential of finite range.
Item Type: | Thesis (Dissertation (Ph.D.)) |
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Subject Keywords: | (Chemistry and Physics) |
Degree Grantor: | California Institute of Technology |
Division: | Chemistry and Chemical Engineering |
Major Option: | Chemistry |
Minor Option: | Physics |
Thesis Availability: | Public (worldwide access) |
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Defense Date: | 19 September 1972 |
Record Number: | CaltechTHESIS:11052009-132233582 |
Persistent URL: | https://resolver.caltech.edu/CaltechTHESIS:11052009-132233582 |
DOI: | 10.7907/zqek-hg39 |
Default Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. |
ID Code: | 5353 |
Collection: | CaltechTHESIS |
Deposited By: | Tony Diaz |
Deposited On: | 17 Nov 2009 23:27 |
Last Modified: | 17 Jul 2024 16:44 |
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