194 citations · 540 across the 15 of their papers we have counts for
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Ren Wang, Zhi-Qiang Hu, Pan-Yi Bao +4
Toroidal electromagnetic pulses have been recently reported as nontransverse, space-time nonseparable topological excitations of free space [Nat. Photon. 16, 523-528 (2022)]. Howev…