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ToolsJuzeliunas, Gediminas, Davila Romero, Luciana C and Andrews, David L (2003) Eliminating ground-state dipole moments in quantum optics via canonical transformation. Physical Review A (PRA), 68 (4).
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Abstract
By means of a canonical transformation it is shown how it is possible to recast the equations for molecular nonlinear optics to completely eliminate ground-state static dipole coupling terms. Such dipoles can certainly play a highly important role in nonlinear optical response�but equations derived by standard methods, in which these dipoles emerge only as special cases of transition moments, prove unnecessarily complex. It has been shown that the elimination of ground-state static dipoles in favor of dipole shifts results in a considerable simplification in form of the nonlinear optical susceptibilities. In a fully quantum theoretical treatment the validity of such a procedure has previously been verified using an expedient algorithm, whose defense was afforded only by a highly intricate proof. In this paper it is shown how a canonical transformation method entirely circumvents such an approach; it also affords insights into the formulation of quantum field interactions.
| Item Type: | Article |
|---|---|
| Faculty \ School: | Faculty of Science > School of Chemistry |
| UEA Research Groups: | Faculty of Science > Research Groups > Physical and Analytical Chemistry (former - to 2017) Faculty of Science > Research Groups > Chemistry of Light and Energy Faculty of Science > Research Groups > Centre for Photonics and Quantum Science |
| Depositing User: | Rachel Smith |
| Date Deposited: | 27 Oct 2010 11:41 |
| Last Modified: | 07 Mar 2023 13:30 |
| URI: | https://ueaeprints.uea.ac.uk/id/eprint/10704 |
| DOI: | 10.1103/PhysRevA.68.043811 |
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