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Disturbing method for soloing LLS equation when non-constant spin torque is considered

Gao Peng Yin Hai-Rong Gong Yu-Bin Yang Zhong-Hai Wei Yan-Yu

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Disturbing method for soloing LLS equation when non-constant spin torque is considered

Gao Peng, Yin Hai-Rong, Gong Yu-Bin, Yang Zhong-Hai, Wei Yan-Yu
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  • The LLS equation is analyzed by Melnikov disturbing method when non-constant spin torque is considered. Computing codes are programmed by combining VC and MATLAB. The results reveal that the magnetization trace vibrates round the non-disturbing trace at first,and then surges when close to the reversal point,and the time of reversal is shorter compared with the trace with constant spin torque.
    [1]

    [1]Wolf S A,Awschalom D D,Buhrman R A 2001 Science 294 1488

    [2]

    [2]Kiselev S I,Sankey J C,Krivorotov I N,Emley N C 2003 Nature(London) 425 380

    [3]

    [3]Slonczewski J, Magn J 1996 Magn. Mater 159 L1

    [4]

    [4]Berger L 1996 Phys. Rev. B 54 9353

    [5]

    [5]Maxximiliano dAquino 2004 Doctorate Thesis. Nonlinear magnetization dynamics in thin-films and nanoparticles. December

    [6]

    [6]Yang Z Y 2007 Spin Anglular Momentum Transfer in Magnetic Nonostructure (Columbia:University of Missiouri-Columbia)

    [7]

    [7]Bertotti G,Serpico C,Mayergoyz I D 2004 Pyhs. Rev. B 343 325

    [8]

    [8]Bertotti G,Mayergoyz I D,Serpico C 2004 Physica B 343 325

    [9]

    [9]Sun J Z 2000 Phys. Rev. B 62 570

    [10]

    ]Pufall M R,Rippard W H,Kaka S,Russek S E,Silva T J,Katine J,Carey M 2004 Phys. Rev. B 69 214409

    [11]

    ]Wang C K,Wang H S, Zhang Q G 1999 Chin. Phys. 8 185

  • [1]

    [1]Wolf S A,Awschalom D D,Buhrman R A 2001 Science 294 1488

    [2]

    [2]Kiselev S I,Sankey J C,Krivorotov I N,Emley N C 2003 Nature(London) 425 380

    [3]

    [3]Slonczewski J, Magn J 1996 Magn. Mater 159 L1

    [4]

    [4]Berger L 1996 Phys. Rev. B 54 9353

    [5]

    [5]Maxximiliano dAquino 2004 Doctorate Thesis. Nonlinear magnetization dynamics in thin-films and nanoparticles. December

    [6]

    [6]Yang Z Y 2007 Spin Anglular Momentum Transfer in Magnetic Nonostructure (Columbia:University of Missiouri-Columbia)

    [7]

    [7]Bertotti G,Serpico C,Mayergoyz I D 2004 Pyhs. Rev. B 343 325

    [8]

    [8]Bertotti G,Mayergoyz I D,Serpico C 2004 Physica B 343 325

    [9]

    [9]Sun J Z 2000 Phys. Rev. B 62 570

    [10]

    ]Pufall M R,Rippard W H,Kaka S,Russek S E,Silva T J,Katine J,Carey M 2004 Phys. Rev. B 69 214409

    [11]

    ]Wang C K,Wang H S, Zhang Q G 1999 Chin. Phys. 8 185

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Publishing process
  • Received Date:  31 August 2009
  • Accepted Date:  09 October 2009
  • Published Online:  15 May 2010

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