Citation: M. Soljacic et M. Segev, Integer and fractional angular momentum borne on self-trapped necklace-ring beams, PHYS REV L, 86(3), 2001, pp. 420-423
Citation: M. Soljacic et M. Segev, Self-trapping of electromagnetic beams in vacuum supported by QED nonlinear effects - art. no. 043817, PHYS REV A, 6204(4), 2000, pp. 3817