计算物理 ›› 2006, Vol. 23 ›› Issue (3): 375-378.

• 研究论文 • 上一篇    

碳纳米管组成二维光子晶体的有效介电常数FDTD数值模拟

汤炳书1, 沈廷根2   

  1. 1. 连云港师范高等专科学校物理系, 江苏 连云港 222006;
    2. 江苏大学物理系, 江苏 镇江 212003
  • 收稿日期:2004-11-09 修回日期:2005-07-11 出版日期:2006-05-25 发布日期:2006-05-25
  • 作者简介:汤炳书(1963-),男,江苏丹阳,副教授,主要从事计算凝聚态物理研究.
  • 基金资助:
    江苏省自然科学基金资助(BK2004059)

FDTD Simulation of Effective Dielectric Constant of a Two-Dimensional Photonic Crystal with Carbon Nanotubes

TANG Bing-shu1, SHEN Ting-gen2   

  1. 1. Department of Physics, Lianyun-gang Teacher's College, Lianyungang 222006, China;
    2. Department of Physics, Jiangsu University, Zhenjiang 212003, China
  • Received:2004-11-09 Revised:2005-07-11 Online:2006-05-25 Published:2006-05-25

摘要: 把有序排列的碳纳米管看做二维光子晶体,引入平均场方法,先计算单根纳米碳管的有效介电常数,再用时域有限差分方法(FDTD)计算碳管阵列的有效介电常数,其结果与Maxwell-Garnett(MG)法结果相比,更接近实验数据.

关键词: 纳米碳管, 二维光子晶体, 时域有限差分法, 有效介电常数, 数值模拟

Abstract: We calculate effective dielectric constant of a single carbon nanotube with the mean field method. A finite difference time domain method is used to simulate the effective dielectric constant of two-dimensional photonic crystal which is formed with carbon nanotubes. Compared with Maxwell-Gamett's method,these results are closer to the experimental data.

Key words: carbon nanobube, two-dimensional photonic crystal, finite difference time domain method, effective dielectric constant, numerical simulation

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