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Chiral symmetry analysis and rigid rotational invariance for the lattice dynamics of single-wall carbon nanotubes
Jiang, Jin-Wu; Tang, Hui; Wang, Bing-Shen; Su, Zhao-Bin; Jiang, JW , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
2006
发表期刊PHYSICAL REVIEW B
ISSN1098-0121
卷号73期号:23页码:-
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.
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
关键词Group-projector Technique Modes
学科领域Physics
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收录类别SCI
WOS记录号WOS:000238696600156
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/5970
专题理论物理所1978-2010年知识产出
通讯作者Jiang, JW , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
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GB/T 7714
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):-.
APA Jiang, Jin-Wu,Tang, Hui,Wang, Bing-Shen,Su, Zhao-Bin,&Jiang, JW , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China.(2006).Chiral symmetry analysis and rigid rotational invariance for the lattice dynamics of single-wall carbon nanotubes.PHYSICAL REVIEW B,73(23),-.
MLA Jiang, Jin-Wu,et al."Chiral symmetry analysis and rigid rotational invariance for the lattice dynamics of single-wall carbon nanotubes".PHYSICAL REVIEW B 73.23(2006):-.
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