Ramasesha, S. ; Soos, Z. G. (1988) Exact dynamic non-linear susceptibilities of finite correlated models Chemical Physics Letters, 153 (2-3). pp. 171-175. ISSN 0009-2614
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/000926...
Related URL: http://dx.doi.org/10.1016/0009-2614(88)85206-0
Abstract
Diagrammatic valence bond theory is extended to obtain dynamic non-linear susceptibilities of finite Pariser-Parr-Pople (PPP) or other quantum cell models whose correlated ground state |G > is known. Sums over excited states in the dipole approximation are avoided by directly solving inhomogeneous linear equations for corrections to |G>. Exact χ(3) coefficients are found for third-harmonic generation in polyenes with six or fewer double bonds.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 39479 |
| Deposited On: | 13 May 2011 07:38 |
| Last Modified: | 13 May 2011 07:38 |
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