吴锋   

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Language:English

Paper Publications

Title of Paper:有限长周期结构的密集特征值

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Date of Publication:2013-11-05

Journal:应用数学和力学

Included Journals:PKU、ISTIC、CSCD

Volume:34

Issue:11

Page Number:1119-1129

ISSN No.:1000-0887

Key Words:周期结构;密集特征值;能带;辛

Abstract:基于单胞结构的特征值问题,给出了有限长周期结构特征值分布范围的估计,基于固体物理中的能带理论,给出了一维有限长周期结构特征值分布范围的更精细估计.通过分析有限长周期结构特征值的分布范围,阐述了密集特征值出现的原因.分析结果表明,对于有限长周期结构,结构的单胞数目越大,其特征值分布会越密集.数值算例验证了该文的结论.

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