2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/214046We find the exact solution of graphene s carriers under electromagnetic radiation. To obtain such solution, we combine Floquet theory with a trial solution. Then the energy spectrum is obtained without using any approximation. Using such results, we prove that the energy spectrum presents a gap opening which depends on de radiation frequency and electric wave intensity, whereas the current shows a strongly non-linear behaviour.4pages and 1 figureMaterials Sciencetext