期刊
SCIENCE
卷 358, 期 6365, 页码 915-+出版社
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.aap7939
关键词
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资金
- Gordon and Betty Moore Foundation
- Marie Sklodowska-Curie Fellowship
- Singapore Ministry of Education AcRF [MOE2015-T2-1-145]
- National Research Foundation-Competitive Research Program [NRF2015NRF-CRP002-008]
- Nanyang Technological University
- Centre for Doctoral Training on Theory and Simulation of Materials at Imperial College London - Engineering and Physical Sciences Research Council [EP/L015579/1]
- Engineering and Physical Sciences Research Council [EP/J021199/1, EP/L024926/1, 1809039] Funding Source: researchfish
- EPSRC [EP/L024926/1, EP/J021199/1] Funding Source: UKRI
In advanced field theories, there can be more than four dimensions to space, the excess dimensions described as compacted and unobservable on everyday length scales. We report a simple model, unconnected to field theory, for a compacted dimension realized in a metallic metasurface periodically structured in the form of a grating comprising a series of singularities. An extra dimension of the grating is hidden, and the surface plasmon excitations, though localized at the surface, are characterized by three wave vectors rather than the two of typical two-dimensional metal grating. We propose an experimental realization in a doped graphene layer.
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