| 声子晶体中声子频率带隙与散射截面的关系 |
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| 引用本文： | 黄小益,彭景翠,张高明,翦之渐. 声子晶体中声子频率带隙与散射截面的关系[J]. 湖南大学学报(自然科学版), 2006, 33(3): 89-92 |
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| 作者姓名： | 黄小益 彭景翠 张高明 翦之渐 |
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| 作者单位： | 1. 湖南大学,应用物理系,湖南,长沙,410082;湘南学院,物理系,湖南,郴州,423000
2. 湖南大学,应用物理系,湖南,长沙,410082 |
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| 基金项目： | 国家博士点基金资助项目(20030532008) |
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| 摘 要： | 用平面波方法,研究了Pb圆柱体在环氧树脂基体中按周期性排列构成的声子晶体中弹性波频率带结构,同时计算了弹性波在这种二维周期性复合介质中的散射截面,阐述了声子频率带隙与散射截面的关系.
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| 关 键 词： | 带隙 散射截面 声子晶体 |
| 文章编号： | 1000-2472（2006）03-0089-04 |
| 收稿时间： | 2005-04-18 |
| 修稿时间： | 2005-04-18 |
Relation between Phononic Crystal Frequency Band Gap and Scattering Cross Section in Phononic Crystal |
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| HUANG Xiao-yi,PENG Jing-cui,ZHANG Gao-ming,JIA Zhi-jian. Relation between Phononic Crystal Frequency Band Gap and Scattering Cross Section in Phononic Crystal[J]. Journal of Hunan University(Naturnal Science), 2006, 33(3): 89-92 |
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| Authors: | HUANG Xiao-yi PENG Jing-cui ZHANG Gao-ming JIA Zhi-jian |
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| Affiliation: | 1 .Dept of Apply Physics, Hunan Univ, Changsha,Hunan 410082, China; 2.Dept of Physics, Xiangnan Univ, Chenzhou,Hunan 423000, China |
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| Abstract: | Using the plane-waves method,the elastic wave frequency band structure of phononic crystal,which consists of Pb cylinders embeded in epoxy with periodic array,was investigated,and at the same time the scattering cross section of elastic waves in this two dimensional periodic composites was calculated.The relation between phononic crystal frequency band gap and scattering cross section was also studied,and the results agreed with those in other published works. |
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| Keywords: | frequency band gap scattering cross section phonon crystal |
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