2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/173132This paper has been withdrawn by the author due to a necessity of further editing. (Will be resubmitted here or elsewhere in editted form.)This paper has been withdrawn for further editingMaterials ScienceDiffusion-Limited Exciton-Exciton Annihilation in Carbon Nanotubes: Theoretical Model and its Comparison with Nonlinear Photoluminescence Experimenttext