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A high-performance nitrogen-rich ZIF-8-derived Fe-Co-NC electrocatalyst for the oxygen reduction reaction

Exploring and developing low-cost, high-performance, and stable catalysts for the oxygen reduction reaction (ORR) is of great importance, though progress is ongoing. In this work, a simple evaporation-pyrolysis method is employed to synthesize 3D por

Externí odkaz: http://arxiv.org/abs/2410.07300

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Three-dimensional topological valley photonics

Autor: Li, Wenhao, Chen, Qiaolu, Han, Ning, Li, Xinrui, Chen, Fujia, Wu, Junyao, Pan, Yuang, Ren, Yudong, Chen, Hongsheng, Xue, Haoran, Yang, Yihao

Topological valley photonics, which exploits valley degree of freedom to manipulate electromagnetic waves, offers a practical and effective pathway for various classical and quantum photonic applications across the entire spectrum. Current valley pho

Externí odkaz: http://arxiv.org/abs/2409.11715

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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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Real higher-order Weyl photonic crystal

Autor: Pan, Yuang, Cui, Chaoxi, Chen, Qiaolu, Chen, Fujia, Zhang, Li, Ren, Yudong, Han, Ning, Li, Wenhao, Li, Xinrui, Yu, Zhi-Ming, Chen, Hongsheng, Yang, Yihao

Higher-order Weyl semimetals are a family of recently predicted topological phases simultaneously showcasing unconventional properties derived from Weyl points, such as chiral anomaly, and multidimensional topological phenomena originating from highe

Externí odkaz: http://arxiv.org/abs/2306.02321

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Efficient Cross-Modal Video Retrieval with Meta-Optimized Frames

Autor: Han, Ning, Yang, Xun, Lim, Ee-Peng, Chen, Hao, Sun, Qianru

Cross-modal video retrieval aims to retrieve the semantically relevant videos given a text as a query, and is one of the fundamental tasks in Multimedia. Most of top-performing methods primarily leverage Visual Transformer (ViT) to extract video feat

Externí odkaz: http://arxiv.org/abs/2210.08452

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Functional building blocks for scalable multipartite entanglement in optical lattices

Publikováno v: Phys. Rev. Lett. 131, 073401 (2023)

Featuring excellent coherence and operated parallelly, ultracold atoms in optical lattices form a competitive candidate for quantum computation. For this, a massive number of parallel entangled atom pairs have been realized in superlattices. However,

Externí odkaz: http://arxiv.org/abs/2210.02936

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