Physical review letters
Photonic Shankar Skyrmion.
Haiwen Wang, Shanhui Fan
Published: 202510.1103/lhxc-1z9c
Abstract
We unveil a new topological quasiparticle of light in 3D space, named the "photonic Shankar skyrmion." We show that an elliptically polarized field can be described by an SO(3) order parameter and it can form a texture in 3D space classified by the π…
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