论文标题
非磁性等离子体纳米结构中的验光磁铁
Optomagnets in nonmagnetic plasmonic nanostructures
论文作者
论文摘要
使用金属的游离电子气体的流体动力模型，我们理论上研究了等离激子纳米结构中光学诱导的直流电流环。这种电流环起源于光学整流过程，该过程依赖于三种电动力，其中一种是由光学自旋轨道相互作用引起的。发现所得的静态磁场被发现最大，并且在等离子纳米结构的角处占据了最大限制，这揭示了金属不连续性在纳米级上浓缩和量身定制静态磁场的能力。
Using a hydrodynamic model of the free electron gas of metal, we theoretically investigate optically-induced DC current loops in a plasmonic nanostructure. Such current loops originate from an optical rectification process relying on three electromotive forces, one of which arises from an optical spin-orbit interaction. The resulting static magnetic field is found to be maximum and dramatically confined at the corners of the plasmonic nanostructure, which reveals the ability of metallic discontinuities to concentrate and tailor static magnetic fields on the nanoscale.
