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- URN to cite this document:
- urn:nbn:de:bvb:355-epub-55235
- DOI to cite this document:
- 10.5283/epub.5523
Alternative links to fulltext:DOI
Abstract
Two-photon transitions may proceed via a mechanism not involving virtually excited intermediate states. This mechanism may account for the largest contribution to the 2-photon cross section in polar mols. if the dipole moment strongly alters with excitation. Possible consequences for the 2-photon detection of forbidden states in polar polyene systems are discussed.
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