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Properties of pumping current under microwave field appliedto a quantum dot with over-dot tunneling

Zhou Yun-Qing Kong Ling-Min Wang Rui Zhang Cun-Xi

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Properties of pumping current under microwave field appliedto a quantum dot with over-dot tunneling

Zhou Yun-Qing, Kong Ling-Min, Wang Rui, Zhang Cun-Xi
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  • The evolution-operator approach is applied to studying photon-electron pumping effects on a quantum dot connected to two magnetic leads in the presence of both via-dot and over-dot tunneling channels. It is found that a microwave field applied to the quantum dot may give rise to charge and spin pumpings at zero-bias voltage for asymmetric magnetic junctions. More interestingly, a pure spin current can be pumped for symmetric magnetic junctions in the anti-parallel magnetization configuration, providing a new scheme for the design of spin batteries.
    [1]

    Wolf S A, Awschalom D D, Buhrman R A, Daughton J M, Molnár S von, Roukes M L, Chtchelkanova A Y, Treger D M 2001 Science 294 1488

    [2]

    Brataas Arne, Tserkovnyak Yaroslav, Bauer Gerrit E W, Halperin Bertrand I 2002 Phys. Rev. B 66 060404(R)

    [3]

    Sun Q F, Guo H, Wang J 2003 Phys. Rev. Lett. 90 258301

    [4]

    Long W, Sun Q F, Guo H, Wang J 2003 Appl. Phys. Lett. 83 1397

    [5]

    Chen Z G, Wang B G, Xing D Y, Wang J 2004 Appl. Phys. Lett. 85 2553

    [6]

    Shao L B, Xing D Y 2004 Phys. Rev. B 70 201205(R)

    [7]

    Ganichen S D, Bel'kov V V, Tarasenko S A, Danilov S N, Giglberger S, Hoffmann C, Ivchenko E L, Weiss D, Wegscheider W, Gerl C, Schuh D, Stahl J, Boeck Jo De, Borghs G, Prettl W 2006 Nature Phys. 2 609

    [8]

    Wang B, Wang J, Guo H 2003 Phys. Rev. B 67 092408

    [9]

    Brataas A, Tserkovnyak Y, Bauer G E W, Halperin B 2002 Phys. Rev. B 66 060404

    [10]

    Oosterkamp T H, Kouwenhoven L P, Koden A E A, van der Vaart N C, Harmans C J P M 1997 Phys. Rev. Lett. 78 1536

    [11]

    Sun Q F, Lin T H 1997 Phys. Rev. B 56 3591

    [12]

    Sun Q F, Wang J, Lin T H 1998 Phys. Rev. B 58 13007

    [13]

    Ma Z S, Zhu Y, Li X Q, Lin T H, Su Z B 2004 Phys. Rev. B 69 045302

    [14]

    Qin H, Holleitner A W, Eberl K, Blick R H 2001 Phys. Rev. B 64 24130(R)

    [15]

    Taranko R, Kwapiński T, Taranko E 2004 Phys. Rev. B 69 165306

    [16]

    Kwapiński T, Taranko R, Taranko E 2002 Phys. Rev. B 66 035315

    [17]

    Kwapiński T, Taranko R, Taranko E 2005 Phys. Rev. B 72 125312

    [18]

    Li C S, Yu Y J, Wei Y D, Wang J 2007 Phys. Rev. B 75 035312

    [19]

    Zhou Y Q, Wang R Q, Wang B G, Xing D Y 2007 Phys. Rev. B 76 075343

    [20]

    Wang D K, Sun Q F, Guo H 2004 Phys. Rev. B 69 205312

    [21]

    Deng Y X, Yan X H, Tang N S 2006 Acta Phys. Sin. 55 2027 (in Chinese) [邓宇翔、颜晓红、唐娜斯 2006 物理学报 55 2027]

    [22]

    Chen X W, Shi Z G, Chen B J, Song K H 2008 Acta Phys. Sin. 57 2421 (in Chinese) [谌雄文、施振刚、谌宝菊、宋克慧 2008 物理学报 57 2421]

    [23]

    Wu S Q,Chen X W, Sun W L, Wang S J 2004 Acta Phys. Sin. 53 2336 (in Chinese) [吴绍全、谌雄文、孙威立、王顺金 2004 物理学报 53 2336]

    [24]

    Wu Z J, Zhu K D, Yuan X Z, Zheng H 2005 Acta Phys. Sin. 54 3346 (in Chinese) [吴卓杰、朱卡的、袁晓忠、郑 杭 2005 物理学报 54 3346]

    [25]

    Ye J F, Ye F, Ding G H 2003 Acta Phys. Sin. 52 468 (in Chinese) [叶剑斐、叶 飞、丁国辉 2003 物理学报 52 468]

    [26]

    Liu C S, Ma B K, Wang L M 2003 Acta Phys. Sin. 52 2020 (in Chinese) [刘承师、马本堃、王立民 2003 物理学报 52 2020]

    [27]

    Li P, Deng W J 2009 Acta Phys. Sin. 58 2713 (in Chinese) [李 鹏、邓文基 2009 物理学报 58 2713]

    [28]

    Yin Y Q, Li H, Ma J N, He Z L, Wang X Z 2009 Acta Phys. Sin. 58 4162 (in Chinese) [尹永琦、李 华、马佳宁、贺泽龙、王选章 2009 物理学报 58 4162]

    [29]

    Kouwenhoven L P, Jauhar S, McCormick K, Dixon D, McEuen P L, Nazarov Yu V, van der Vaart N C 1994 Phys. Rev. B 50 2019

  • [1]

    Wolf S A, Awschalom D D, Buhrman R A, Daughton J M, Molnár S von, Roukes M L, Chtchelkanova A Y, Treger D M 2001 Science 294 1488

    [2]

    Brataas Arne, Tserkovnyak Yaroslav, Bauer Gerrit E W, Halperin Bertrand I 2002 Phys. Rev. B 66 060404(R)

    [3]

    Sun Q F, Guo H, Wang J 2003 Phys. Rev. Lett. 90 258301

    [4]

    Long W, Sun Q F, Guo H, Wang J 2003 Appl. Phys. Lett. 83 1397

    [5]

    Chen Z G, Wang B G, Xing D Y, Wang J 2004 Appl. Phys. Lett. 85 2553

    [6]

    Shao L B, Xing D Y 2004 Phys. Rev. B 70 201205(R)

    [7]

    Ganichen S D, Bel'kov V V, Tarasenko S A, Danilov S N, Giglberger S, Hoffmann C, Ivchenko E L, Weiss D, Wegscheider W, Gerl C, Schuh D, Stahl J, Boeck Jo De, Borghs G, Prettl W 2006 Nature Phys. 2 609

    [8]

    Wang B, Wang J, Guo H 2003 Phys. Rev. B 67 092408

    [9]

    Brataas A, Tserkovnyak Y, Bauer G E W, Halperin B 2002 Phys. Rev. B 66 060404

    [10]

    Oosterkamp T H, Kouwenhoven L P, Koden A E A, van der Vaart N C, Harmans C J P M 1997 Phys. Rev. Lett. 78 1536

    [11]

    Sun Q F, Lin T H 1997 Phys. Rev. B 56 3591

    [12]

    Sun Q F, Wang J, Lin T H 1998 Phys. Rev. B 58 13007

    [13]

    Ma Z S, Zhu Y, Li X Q, Lin T H, Su Z B 2004 Phys. Rev. B 69 045302

    [14]

    Qin H, Holleitner A W, Eberl K, Blick R H 2001 Phys. Rev. B 64 24130(R)

    [15]

    Taranko R, Kwapiński T, Taranko E 2004 Phys. Rev. B 69 165306

    [16]

    Kwapiński T, Taranko R, Taranko E 2002 Phys. Rev. B 66 035315

    [17]

    Kwapiński T, Taranko R, Taranko E 2005 Phys. Rev. B 72 125312

    [18]

    Li C S, Yu Y J, Wei Y D, Wang J 2007 Phys. Rev. B 75 035312

    [19]

    Zhou Y Q, Wang R Q, Wang B G, Xing D Y 2007 Phys. Rev. B 76 075343

    [20]

    Wang D K, Sun Q F, Guo H 2004 Phys. Rev. B 69 205312

    [21]

    Deng Y X, Yan X H, Tang N S 2006 Acta Phys. Sin. 55 2027 (in Chinese) [邓宇翔、颜晓红、唐娜斯 2006 物理学报 55 2027]

    [22]

    Chen X W, Shi Z G, Chen B J, Song K H 2008 Acta Phys. Sin. 57 2421 (in Chinese) [谌雄文、施振刚、谌宝菊、宋克慧 2008 物理学报 57 2421]

    [23]

    Wu S Q,Chen X W, Sun W L, Wang S J 2004 Acta Phys. Sin. 53 2336 (in Chinese) [吴绍全、谌雄文、孙威立、王顺金 2004 物理学报 53 2336]

    [24]

    Wu Z J, Zhu K D, Yuan X Z, Zheng H 2005 Acta Phys. Sin. 54 3346 (in Chinese) [吴卓杰、朱卡的、袁晓忠、郑 杭 2005 物理学报 54 3346]

    [25]

    Ye J F, Ye F, Ding G H 2003 Acta Phys. Sin. 52 468 (in Chinese) [叶剑斐、叶 飞、丁国辉 2003 物理学报 52 468]

    [26]

    Liu C S, Ma B K, Wang L M 2003 Acta Phys. Sin. 52 2020 (in Chinese) [刘承师、马本堃、王立民 2003 物理学报 52 2020]

    [27]

    Li P, Deng W J 2009 Acta Phys. Sin. 58 2713 (in Chinese) [李 鹏、邓文基 2009 物理学报 58 2713]

    [28]

    Yin Y Q, Li H, Ma J N, He Z L, Wang X Z 2009 Acta Phys. Sin. 58 4162 (in Chinese) [尹永琦、李 华、马佳宁、贺泽龙、王选章 2009 物理学报 58 4162]

    [29]

    Kouwenhoven L P, Jauhar S, McCormick K, Dixon D, McEuen P L, Nazarov Yu V, van der Vaart N C 1994 Phys. Rev. B 50 2019

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Publishing process
  • Received Date:  15 August 2010
  • Accepted Date:  12 November 2010
  • Published Online:  15 July 2011

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