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Coherent electron transport in a helical nanotube
Liang, Guo-Hua1; Wang, Yong-Long1,2,3; Du, Long1; Jiang, Hua1,2,3; Kang, Guang-Zhen1; Zong, Hong-Shi1,4,5
2016-09-01
Source PublicationPHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES
ISSN1386-9477
Volume83Pages:246-255
AbstractThe 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.
KeywordThin-layer Quantization Quasi Bound State Transport Of Double-degenerate Mode
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1016/j.physe.2016.05.007
WOS KeywordCARBON NANOTUBES ; QUANTUM-MECHANICS ; STATES ; CONDUCTION ; PARTICLE ; SILICON
Indexed BySCI
Language英语
WOS Research AreaScience & Technology - Other Topics ; Physics
WOS SubjectNanoscience & Nanotechnology ; Physics, Condensed Matter
WOS IDWOS:000380221400035
PublisherELSEVIER SCIENCE BV
Citation statistics
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/23634
Collection中国科学院紫金山天文台
Corresponding AuthorZong, Hong-Shi
Affiliation1.Nanjing Univ, Dept Phys, Nanjing 210093, Jiangsu, Peoples R China
2.Linyi Univ, Sch Sci, Linyi 276005, Peoples R China
3.Linyi Univ, Inst Condensed Matter Phys, Linyi 276005, Peoples R China
4.Joint Ctr Particle Nucl Phys & Cosmol, Nanjing 210093, Jiangsu, Peoples R China
5.Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Liang, Guo-Hua,Wang, Yong-Long,Du, Long,et al. Coherent electron transport in a helical nanotube[J]. PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES,2016,83:246-255.
APA Liang, Guo-Hua,Wang, Yong-Long,Du, Long,Jiang, Hua,Kang, Guang-Zhen,&Zong, Hong-Shi.(2016).Coherent electron transport in a helical nanotube.PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES,83,246-255.
MLA Liang, Guo-Hua,et al."Coherent electron transport in a helical nanotube".PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES 83(2016):246-255.
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