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题名: Chiral symmetry analysis and rigid rotational invariance for the lattice dynamics of single-wall carbon nanotubes
作者: Jiang, Jin-Wu ;  Tang, Hui ;  Wang, Bing-Shen ;  Su, Zhao-Bin
刊名: PHYSICAL REVIEW B
出版日期: 2006
卷号: 73, 期号:23, 页码:-
关键词: GROUP-PROJECTOR TECHNIQUE ;  MODES
学科分类: Physics
通讯作者: Jiang, JW , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
部门归属: Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; Chinese Acad Sci, State Key Lab Semicond Superlattice & Microstruct, Beijing 100083, Peoples R China; Chinese Acad Sci, Inst Semicond, Beijing 100083, Peoples R China; Tsing Hua Univ, Ctr Adv Study, Beijing 100084, Peoples R China
英文摘要: We provide a detailed expression of the vibrational potential for the lattice dynamics of single-wall carbon nanotubes (SWCNT's) satisfying the requirements of the exact rigid translational as well as rotational symmetries, which is a nontrivial generalization of the valence force model for the planar graphene sheet. With the model, the low-frequency behavior of the dispersion of the acoustic modes as well as the flexure mode can be precisely calculated. Based upon a comprehensive chiral symmetry analysis, the calculated mode frequencies (including all the Raman- and infrared-active modes), velocities of acoustic modes, and the polarization vectors are systematically fitted in terms of the chiral angle and radius, where the restrictions of various symmetry operations of SWCNT's are fulfilled.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000238696600156
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/5970
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Jiang, Jin-Wu,Tang, Hui,Wang, Bing-Shen,et al. Chiral symmetry analysis and rigid rotational invariance for the lattice dynamics of single-wall carbon nanotubes[J]. PHYSICAL REVIEW B,2006,73(23):-.
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