Generalized effective-medium theory for metamaterials

Brian A. Slovick; Zhi Gang Yu; Srini Krishnamurthy

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Generalized effective-medium theory for metamaterials

机译：超材料的广义有效介质理论

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We present an effective-medium model for calculating the frequency-dependent effective permittivity ∈(ω) and permeability μ(ω) of metamaterial composites containing spherical particles with arbitrary permittivity and permeability. The model is derived from the zero-scattering condition within the dipole approximation, but does not invoke any additional long-wavelength approximations. As a result, it captures the effects of spatial dispersion and predicts a finite effective refractive index and antiresonances in ∈(ω) and μ(ω), in agreement with numerical finite-element calculations.

机译：我们提出了一种有效介质模型，用于计算含介电常数和磁导率任意的球形颗粒的超材料复合材料的频率相关有效介电常数ε（ω）和磁导率μ（ω）。该模型是从偶极近似中的零散射条件得出的，但不调用任何其他长波长近似。结果，与数值有限元计算相一致，它捕获了空间色散的影响，并预测了有限的有效折射率和ε（ω）和μ（ω）中的反共振。

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来源
《Physical review》 |2014年第15期|155118.1-155118.5|共5页
作者
Brian A. Slovick; Zhi Gang Yu; Srini Krishnamurthy;
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作者单位

Applied Optics Laboratory, SRI International, 333 Ravenswood Avenue, Menlo Park, California 94025, USA;

Applied Optics Laboratory, SRI International, 333 Ravenswood Avenue, Menlo Park, California 94025, USA;

Applied Optics Laboratory, SRI International, 333 Ravenswood Avenue, Menlo Park, California 94025, USA;

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正文语种 eng
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关键词
composite materials; multilayers; superlattices;

机译：复合材料;多层超晶格;

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3. Effective-medium theory for anisotropic magnetic metamaterials [J] . Junfeng Jin, Shiyang Liu, Zhifang Lin, Physical review . 2009,第11期

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4. Quantum optical effective-medium theory and transformation quantum optics for metamaterials [C] . Martijn Wubs, Ehsan Amooghorban, Jingjing Zhang, Conference on Metamaterials, metadevices, and metasystems . 2016

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7. Generalized effective-medium theory for metamaterials [O] . Slovick, Brian A., Yu, Zhi Gang, Krishnamurthy, Srini 2014

机译：超材料的广义有效介质理论
8. Macrotransport Processes: Brownian Tracers as Stochastic Averages in Effective-Medium Theories of Heterogeneous Media. (Reannouncement with New Availability Information). [R] . Brenner, H. 1981

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Generalized effective-medium theory for metamaterials

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