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Boundary-induced topological chiral extended states in Weyl metamaterial waveguides

Autor: Han, Ning, Chen, Fujia, Li, Mingzhu, Zhao, Rui, Li, Wenhao, Chen, Qiaolu, Zhang, Li, Pan, Yuang, Ma, Jingwen, Yu, Zhi-Ming, Chen, Hongsheng, Yang, Yihao

In topological physics, it is commonly understood that the existence of the boundary states of a topological system is inherently dictated by its bulk. A classic example is that the surface Fermi arc states of a Weyl system are determined by the chir

Externí odkaz: http://arxiv.org/abs/2401.11780

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Observation of vortex-string chiral modes in metamaterials

Autor: Ma, Jingwen, Jia, Ding, Zhang, Li, Guan, Yi-jun, Ge, Yong, Sun, Hong-xiang, Yuan, Shou-qi, Chen, Hongsheng, Yang, Yihao, Zhang, Xiang

As a hypothetical topological defect in the geometry of spacetime, vortex strings play a crucial role in shaping the clusters of galaxies that exist today, and their distinct features can provide observable clues about the early universe's evolution.

Externí odkaz: http://arxiv.org/abs/2305.14960

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Electrical manipulation of plasmon-phonon polaritons in heterostructures of graphene on biaxial crystals

Autor: Li, Zhiyong, Chen, Zefeng, Ma, Jingwen, Hu, Xin, Wang, Pan, Ma, Yungui, Xu, Jian-Bin

Phonon polaritons in natural anisotropic crystals hold great promise for infrared nano-optics. However, the direct electrical control of these polaritons is difficult, preventing the development of active polaritonic devices. Here we propose the hete

Externí odkaz: http://arxiv.org/abs/2206.11579

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