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题名: Mesoscopic spin-flip transport through a hybrid system with a single molecular dot system applied with ac magnetic fields
作者: Chen, Q ;  Liu, J ;  Wang, ZY
刊名: PHYSICS LETTERS A
出版日期: 2011
卷号: 375, 期号:3, 页码:733-737
关键词: POLYCYCLIC-HYDROCARBON MOLECULES ;  QUANTUM TRANSPORT ;  TRANSISTOR ;  DEVICE
学科分类: Physics
通讯作者: Chen, Q (reprint author), Hunan Inst Engn, Dept Maths & Phys, Xiangtan 411104, Peoples R China.
部门归属: [Chen, Qiao] Hunan Inst Engn, Dept Maths & Phys, Xiangtan 411104, Peoples R China; [Liu, Jin] Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China; [Wang, Zhi-yong] Chongqing Univ Technol, Sch Optoelect Informat, Chongqing 400054, Peoples R China
英文摘要: We have investigated the current for the system of vibrating quantum dot irradiated with a rotating magnetic field and an oscillating magnetic field by nonequilibrium Green's function. The rotating magnetic field rotates with the angular frequency omega(r) around the z-axis with the tilt angle 0, and the time-oscillating magnetic field is located in the z-axis with the angular frequency omega. Different behaviors have been shown in the presence of electron-phonon interaction (EPI) which plays a significant role in the transport. The current displays asymmetric behavior as the source-drain bias eV = 0. novel side peaks or shoulders can be found due to the phonon absorption and emission procedure, and the negative differential resistance becomes stronger as the parameter g increases. Furthermore, the strong EPI also destroys the quasiperiodic oscillations of current in the region mu(0)B(1) > 2.5 Delta. The electron transport properties are also significantly influenced by the linewidth function Gamma. (C) 2010 Elsevier B.V. All rights reserved.
资助者: Hunan Provincial Education Department, China [10B022]
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000286781900094
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/14435
Appears in Collections:理论物理所2011年知识产出_期刊论文

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Recommended Citation:
Chen, Q,Liu, J,Wang, ZY. Mesoscopic spin-flip transport through a hybrid system with a single molecular dot system applied with ac magnetic fields[J]. PHYSICS LETTERS A,2011,375(3):733-737.
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