Yan, P. and Sun, Z. Z. and Schliemann, J. and Wang, X. R. (2010) Optimal spin current pattern for fast domain wall propagation in nanowires. EPL, 92 (2): 27004. ISSN 0295-5075,
Full text not available from this repository. (Request a copy)Abstract
One of the important issues in nanomagnetism is to lower the current needed for a technologically useful domain wall (DW) propagation speed. Based on the modified Landau-Lifshitz-Gilbert (LLG) equation with both Slonczewski spin-transfer torque and the field-like torque, we derive an optimal temporally and spatially varying spin current pattern for fast DW propagation along nanowires. Under such conditions, the DW velocity in biaxial wires can be enhanced as much as tens of times higher than that achieved in experiments so far. Moreover, the fast variation of spin polarization can efficiently help DW depinning. Possible experimental realizations are discussed. Copyright (C) EPLA, 2010
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | ; |
| Subjects: | 500 Science > 530 Physics |
| Divisions: | Physics > Institute of Theroretical Physics > Chair Professor Grifoni > Group John Schliemann |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 13 Jul 2020 04:36 |
| Last Modified: | 13 Jul 2020 04:36 |
| URI: | https://pred.uni-regensburg.de/id/eprint/24058 |
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