BULGAKOV, E.; SADREEV, A. Trapping of light with angular orbital momentum above the light cone. Advanced Electromagnetics, [S. l.], v. 6, n. 1, p. 1–10, 2017. DOI: 10.7716/aem.v6i1.423. Disponível em: https://aemjournal.metaconferences.org/index.php/AEM/article/view/423. Acesso em: 16 feb. 2025.