凝聚态物理
物理
哈密顿量(控制论)
自旋轨道相互作用
自旋霍尔效应
磁场
联轴节(管道)
石墨烯
对称(几何)
格子(音乐)
自旋(空气动力学)
点反射
自旋极化
量子力学
电子
材料科学
热力学
数学优化
数学
声学
冶金
几何学
作者
A. V. Nalitov,G. Malpuech,Hugo Terças,D. D. Solnyshkov
标识
DOI:10.1103/physrevlett.114.026803
摘要
We study the spin-orbit coupling induced by the splitting between TE and TM optical modes in a photonic honeycomb lattice. Using a tight-binding approach, we calculate analytically the band structure. Close to the Dirac point, we derive an effective Hamiltonian. We find that the local reduced symmetry (${D}_{3h}$) transforms the TE-TM effective magnetic field into an emergent field with a Dresselhaus symmetry. As a result, particles become massive, but no gap opens. The emergent field symmetry is revealed by the optical spin Hall effect.
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