二维三角形光晶格中自由电子自旋依赖的卡皮查-迪拉克效应

IF 6.5 2区物理与天体物理 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

Nanophotonics Pub Date : 2024-07-11 DOI:10.1515/nanoph-2024-0191

Jiahao Tian, Fang Liu, Xiaotong Xiong, Yidong Huang

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引用次数: 0

摘要

在一维驻波的极高强度的EUV到X射线激光中，对Kapitza-Dirac（KD）效应中的自由电子自旋动力学进行了理论研究，这远远超出了实验实现的范围。在这里，我们提出在二维三角形光晶格中实现空间反转对称破缺的自由电子自旋依赖 KD 效应，理论结果表明，波长在可见光或近红外、强度降低五个数量级的激光可以导致明显的自旋依赖 KD 效应。这项工作为在实验中实现自由电子自旋依赖的 KD 效应提供了途径。

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Free electrons spin-dependent Kapitza–Dirac effect in two-dimensional triangular optical lattice

The free electron spin dynamics in Kapitza–Dirac (KD) effect had been studied theoretically in one-dimensional standing wave of EUV to X-ray laser with extremely high intensity, which is far beyond experimental realization. Here, we propose to achieve the free electron spin-dependent KD effect in two-dimensional triangular optical lattice with spatial inversion symmetry breaking, and the theoretical results reveal that laser with wavelength in visible or near-IR and five orders of magnitude decreased intensity could lead to obvious spin-dependent KD effect. This work provides the way to realize the free electron spin-dependent KD effect experimentally.

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来源期刊

Nanophotonics NANOSCIENCE & NANOTECHNOLOGY-MATERIALS SCIENCE, MULTIDISCIPLINARY

CiteScore

13.50

自引率

6.70%

发文量

358

审稿时长

7 weeks

期刊介绍： Nanophotonics, published in collaboration with Sciencewise, is a prestigious journal that showcases recent international research results, notable advancements in the field, and innovative applications. It is regarded as one of the leading publications in the realm of nanophotonics and encompasses a range of article types including research articles, selectively invited reviews, letters, and perspectives. The journal specifically delves into the study of photon interaction with nano-structures, such as carbon nano-tubes, nano metal particles, nano crystals, semiconductor nano dots, photonic crystals, tissue, and DNA. It offers comprehensive coverage of the most up-to-date discoveries, making it an essential resource for physicists, engineers, and material scientists.