Magnetic monopole-like response in metamaterials |
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| Institution: | 1. College of Science, Air Force Engineering University, Xi’an, 710051 Shaanxi, China;2. Electronic Materials Research Laboratory, Xi’an Jiaotong University, Xi’an, 710049 Shaanxi, China;3. School of Electronics & Information Engineering, Xi’an Jiaotong University, Xi’an, 710049 Shaanxi, China;1. Harbin Institute of Technology, 92 West Dazhi Street , Harbin, China;2. Qiqihar University, No. 42, Wenhua Street, Qiqihar, Heilongjiang, China;1. Departamento de Física, Universidade Federal da Paraíba, 58051-900, João Pessoa, Paraíba, Brazil;2. Departamento de Física, Universidade Federal de Campina Grande, 58109-970, Campina Grande, Brazil;3. Departamento de Física, Universidade Federal do Maranhão, 65085-580, São Luís, Maranhão, Brazil;4. Coordenadoria do Curso Interdisciplinar em Ciência e Tecnologia, Universidade Federal do Maranhão, 65080-805, São Luís, Maranhão, Brazil;1. Department of Electrical and Computer Engineering, Tecnológico de Monterrey, Monterrey, Nuevo León 64849, Mexico;2. Department of Microwaves and Optics, School of Electrical and Computer Engineering, University of Campinas, São Paulo 13083-852, Brazil |
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| Abstract: | In this paper, we explored magnetic monopole-like responses in metamaterials. We designed a sub-wavelength metamolecule that is composed of two dielectric-spaced split-ring resonators. In response to incident waves, the induced magnetic field in the metamolecule resembles that of a two-dimensional magnetic monopole. The magnetic monopole-like response is resulted from electric resonance of the metamolecule, so an electric dipole is always attached. By combining two mirror-symmetric metamolecules with inward and outward radial magnetic fields, magnetic dipole-like responses can be produced just as an electric dipole is formed by separating two opposite-signed electric charges. |
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| Keywords: | Magnetic monopole Metamaterials Electric resonance |
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