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ITP OpenIR  > 理论物理所2016年知识产出  > 期刊论文
题名: Coherent electron transport in a helical nanotube
作者: Liang, GH ;  Wang, YL ;  Du, L ;  Jiang, H ;  Kang, GZ ;  Zong, HS
刊名: PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES
出版日期: 2016
卷号: 83, 页码:246-255
关键词: Thin-layer quantization ;  Quasi bound state ;  Transport of double-degenerate mode
学科分类: Science & Technology - Other Topics; Physics
DOI: http://dx.doi.org/10.1016/j.physe.2016.05.007
通讯作者: Zong, HS (reprint author), Joint Ctr Particle Nucl Phys & Cosmol, Nanjing 210093, Jiangsu, Peoples R China.
文章类型: Article
英文摘要: The quantum dynamics of carriers bound to helical tube surfaces is investigated in a thin-layer quantization scheme. By numerically solving the open-boundary Schrodinger equation in curvilinear coordinates, geometric effect on the coherent transmission spectra is analysed in the case of single propagating mode as well as multimode. It is shown that, the coiling endows the helical nanotube with different transport properties from a bent cylindrical surface. Fano resonance appears as a purely geometric effect in the conductance, the corresponding energy of quasibound state is obviously influenced by the torsion and length of the nanotube. We also find new plateaus in the conductance. The transport of double-degenerate mode in this geometry is reminiscent of the Zeeman coupling between the magnetic field and spin angular momentum in quasi-one-dimensional structure. (C) 2016 Elsevier B.V. All rights reserved.
类目[WOS]: Nanoscience & Nanotechnology ;  Physics, Condensed Matter
关键词[WOS]: CARBON NANOTUBES ;  QUANTUM-MECHANICS ;  STATES ;  CONDUCTION ;  PARTICLE ;  SILICON
收录类别: SCI
项目资助者: National Natural Science Foundation of China [11274166, 11275097, 11475085, 11535005]
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/21552
Appears in Collections:理论物理所2016年知识产出_期刊论文

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Recommended Citation:
Liang, GH,Wang, YL,Du, L,et al. Coherent electron transport in a helical nanotube[J]. PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES,2016,83:246-255.
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