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ÂÛÎÄÌâÄ¿£ºThermally driven pure spin current through an interacting quantum dot
×÷ÕߣºHuaZhao XiaoweiZhang XiaochunLiu ZhongqinYang
Á´½Ó£ºhttps://www.sciencedirect.com/sc ... 20304746?via%3Dihub
DOI £º 10.1016/j.physleta.2020.126607


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Thermally driven pure spin current through an interacting quantum dot
×÷Õß:Zhao, H (Zhao, Hua)[ 1,2,3,4 ] ; Zhang, XW (Zhang, Xiaowei)[ 1 ] ; Liu, XC (Liu, Xiaochun)[ 1 ] ; Yang, ZQ (Yang, Zhongqin)[ 2,3,4,5 ]

PHYSICS LETTERS A

¾í: 384 ÆÚ: 24
ÎÄÏ׺Å: 126607

DOI: 10.1016/j.physleta.2020.126607

³ö°æÄê: APR 28 2020

ÎÄÏ×ÀàÐÍ:Article

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ÕªÒª
We study spin-dependent electron transport properties of a thermally driven interacting quantum dot. When an external magnetic field is applied to the quantum dot, the effective transmissions of spin-up and spin-down electrons are separated from each other and have a perfect mirror symmetry with respect to the incident energy at a certain gate voltage. A pure spin current can be induced in the system and modulated by a magnetic field. Under certain magnetic field strengths, a larger pure spin current can be obtained at gate voltages with the values in a range, not just at a specific voltage. These results indicate that the system can be worked as a pure spin current generator. (C) 2020 Elsevier B.V. All rights reserved.

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×÷Õ߹ؼü´Ê:Quantum dot; Spin current; Magnetic field

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Fudan University Fudan Univ, State Key Lab Surface Phys, Shanghai 200433, Peoples R China.
Fudan University Fudan Univ, Key Lab Computat Phys Sci MOE, Shanghai 200433, Peoples R China.
Fudan University Fudan Univ, Dept Phys, Shanghai 200433, Peoples R China.
ͨѶ×÷ÕßµØÖ·: Yang, ZQ (corresponding author)

ÏÔʾ¸ü¶à        Fudan Univ, State Key Lab Surface Phys, Shanghai 200433, Peoples R China.
ͨѶ×÷ÕßµØÖ·: Yang, ZQ (corresponding author)
ÏÔʾ¸ü¶à        Fudan Univ, Key Lab Computat Phys Sci MOE, Shanghai 200433, Peoples R China.
ͨѶ×÷ÕßµØÖ·: Yang, ZQ (corresponding author)
ÏÔʾ¸ü¶à        Fudan Univ, Dept Phys, Shanghai 200433, Peoples R China.
µØÖ·:

              [ 1 ]‎ Qiannan Normal Univ Nationalities, Sch Phys & Elect, Duyun 558000, Guizhou, Peoples R China
ÏÔʾ¸ü¶à        [ 2 ]‎ Fudan Univ, State Key Lab Surface Phys, Shanghai 200433, Peoples R China
ÏÔʾ¸ü¶à        [ 3 ]‎ Fudan Univ, Key Lab Computat Phys Sci MOE, Shanghai 200433, Peoples R China
ÏÔʾ¸ü¶à        [ 4 ]‎ Fudan Univ, Dept Phys, Shanghai 200433, Peoples R China
              [ 5 ]‎ Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Peoples R China
µç×ÓÓʼþµØÖ·:zyang@fudan.edu.cn

»ù½ð×ÊÖúÖÂл
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Foundation of Scientific Innovative Research Team of Education Department of Guizhou Province        
QNYSKYTD2018002
Science and Technology Foundation of Guizhou Province        
LKQS[2013]16
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ELSEVIER, RADARWEG 29, 1043 NX AMSTERDAM, NETHERLANDS

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Ñо¿·½Ïòhysics

Web of Science Àà±ðhysics, Multidisciplinary

ÎÄÏ×ÐÅÏ¢
ÓïÑÔ:English

Èë²ØºÅ: WOS:000540268600026

ISSN: 0375-9601

eISSN: 1873-2429

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