Effective electromagnetic and chiral parameters of chiral composite material |
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Authors: | Feding Ge Jing Zhu and Limin Chen |
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Institution: | (1) Material Physics Department, Central Iron and Steel Research Institute, 100081 Beijing, People's Republic of China |
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Abstract: | The effective parameters of chiral composite are studied using a simple model, that is, randomly oriented non-interacting wire helices embedded in a nonchiral host medium. It is found that both the effective permittivity and permeability are independent on the handedness of the chiral objects while the effective chirality admittance is dependent. It is also found that when the ratio of the radius of the chiral helix to its pitch is about 0.23, maximum chirality admittance is achieved. The effective parameters of equichiral sample are also discussed. |
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Keywords: | chiral composite effective parameter chiral object chirality admittance |
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