Initial convergence of the perturbation series expansion for vibrational nonlinear optical properties

Initial convergence of the perturbation series expansion for vibrational nonlinear optical (NLO) properties was analyzed. The zero-point vibrational average (ZPVA) was obtained through first-order in mechanical plus electrical anharmonicity. Results indicated that higher-order terms in electrical an...

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Bibliographic Details
Authors: Torrent Sucarrat, Miquel, Solà i Puig, Miquel, Duran i Portas, Miquel, Luis Luis, Josep Maria, Kirtman, Bernard
Format: article
Publication Date:2002
Country:España
Institution:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
Repository:Recercat. Dipósit de la Recerca de Catalunya
OAI Identifier:oai:recercat.cat:10256/3314
Online Access:http://hdl.handle.net/10256/3314
Access Level:Open access
Keyword:Aproximació, Teoria de l'
Camps elèctrics
Molècules
Òptica no lineal
Pertorbació (Matemàtica)
Polarització (Electricitat)
Approximation theory
Electric fields
Nonlinear optics
Perturbation (Mathematics)
Polarization (Electricity)
Molecules
Description
Summary:Initial convergence of the perturbation series expansion for vibrational nonlinear optical (NLO) properties was analyzed. The zero-point vibrational average (ZPVA) was obtained through first-order in mechanical plus electrical anharmonicity. Results indicated that higher-order terms in electrical and mechanical anharmonicity can make substantial contributions to the pure vibrational polarizibility of typical NLO molecules

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