arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 0807.3531cond-mat.mtrl-scicond-mat.other
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磁性超材料二次谐波产生的经典理论

Classical theory of second-harmonic generation from magnetic metamaterials

Yong Zeng, Walter Hoyer, Jinjie Liu, Stephan W. Koch, Jerome V. Moloney

摘要:

最近从由具有有效负磁导率的金属开口环谐振器的周期阵列组成的超材料中实验观察到强二次谐波产生[Science,313,502(2006)]。为了探索潜在的物理机制,一个经典的模型,从微观理论推导。将金属中的准自由电子近似为经典的库仑相互作用电子气,用冷等离子体波动方程描述它们在外电磁场激发下的运动.通过数值模拟,定性和定量地证明了微观理论包含了主要的物理机制。

英文摘要:

Strong second-harmonic generation has recently been experimentally observed from metamaterials consisting of periodic arrays of metal split ring resonators with an effective negative magnetic permeability [Science, 313, 502 (2006)]. To explore the underlying physical mechanism, a classical model derived from microscopic theory is employed here. The quasi-free electrons inside the metal are approximated as a classical Coulomb-interacting electron gas, and their motion under the excitation of an external electromagnetic field is described by the cold-plasma wave equations. Through numerical simulations, it is demonstrated that the microscopic theory includes the dominant physical mechanisms bothqualitatively and quantitatively.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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