The free exciton in KI and RbI: Emissions related to the triplet B exciton |
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| Authors: | Truong van Khiem A Nouailhat |
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| Institution: | Laboratoire de Physique de la Matière, Institut National des Sciences Appliquées de Lyon, 20, Avenue Albert Einstein, 69621 Villeurbanne Cédex, France |
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| Abstract: | We put in evidence the existence of the triplet exciton B by its emissions as associated with LO phonons in KI and RbI. We explain the possibility of such emissions by the process of interband transition coupling the B exciton with the C polariton (low branch). The exchange interaction and spin-orbit interaction values are calculated. |
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