Nonradiative DKR processes: revisiting the theory. III. Multimode approaches

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We outline a method for dealing with the relaxation of optically excited NaI F centers in terms of a single effective frequency along a multimode coordinate. The 2s-2p mixing through coupling to a T_{1u} vibrational mode is also discussed with optimistic conclusions. Equilibrium nonradiative deexcitation rates are estimated and compared with intervibrational relaxations so as to assess the efficiency of the nonequilibrium DKR deexcitation. They show the former not to be competitive, due to the large number of phonons exchanged.
16 pages including 3(5) tables, 2 appendices, and 4(5) figures, all pdf format

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Materials Science, Other Condensed Matter

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http://salesiana.dossiersoluciones.com/handle/123456789/129617

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0705.4293
 http://arxiv.org/abs/0705.4293

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arXiv