2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/51462We construct supergravity solutions for D-branes in nontrivial flux backgrounds. We revisit the issue of charge quantization in this framework, and show that in these backgrounds, charge need not be quantized. We also show in a particular example that the semiclassical description of branes produces integral charges.15 pages, latexHigh Energy Physics - Theorytext