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Point defect states of a hollow cylinder in two-dimensional phononic crystal
  • ISSN号：1674-1056
  • 期刊名称：《中国物理B：英文版》
  • 时间：0
  • 分类：O771[理学—晶体学] TB34[一般工业技术—材料科学与工程]
  • 作者机构：[1]Physics Department, Kunming University, Kunming 650214, China, [2]Department of Physics, Yunnan Normal University, Kunming 650092, China, [3]Department of Information Management, Yunnan Normal University, Kunming 650092, China
  • 相关基金：Project supported by the National Natural Science Foundation of China （Grant No. 10864009）, the Natural Science Foundation of Yunnan Province, China （Grant No. 2008CD109）, and the State Key Program of the National Natural Science of China （Grant No. 50734007）.
作者： 高晓薇[1,2], 陈世波[1], 陈建兵[3], 郑勤红[2], 杨海[1]
关键词： 声子晶体, 点缺陷, 状态, 中空, 圆柱体, 二维, 缺陷模式, 缺陷位置, phononic crystal, point defect, cavity defect, hollow cylinder
中文摘要：

Point defect states in two-dimensional phononic crystal of a hollow mercury cylinder in a water host are studied.An improved plane expansion method combined with the supercell technique is used to calculate the band gaps and the pressure distribution at the defect position.The sonic pressure of defect modes shows that the waves are localized at or near the defect.As the filing fraction increases,more defect modes appear in the band gaps.

英文摘要：

Point defect states in two-dimensional phononic crystal of a hollow mercury cylinder in a water host are studied. An improved plane expansion method combined with the supercell technique is used to calculate the band gaps and the pressure distribution at the defect position. The sonic pressure of defect modes shows that the waves are localized at or near the defect. As the filing fraction increases, more defect modes appear in the band gaps.

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期刊信息
  • 《中国物理B：英文版》
  • 中国科技核心期刊
  • 主管单位:中国科学院
  • 主办单位:中国物理学会和中国科学院物理研究所
  • 主编：欧阳钟灿
  • 地址：北京 中关村 中国科学院物理研究所内
  • 邮编：100080
  • 邮箱：
  • 电话：010-82649026 82649519
  • 国际标准刊号：ISSN：1674-1056
  • 国内统一刊号：ISSN：11-5639/O4
  • 邮发代号:
  • 获奖情况:
  • 国内外数据库收录:
  • 被引量:406