Current-induced magnetic soliton solutions in a perpendicular ferromagnetic anisotropy nanowire

被引：0

作者：

李秋艳 ^{[1
]}

赵飞 ^{[2
]}

贺鹏斌 ^{[3
]}

李再东 ^{[1
]}

机构：

[1] Department of Applied Physics,Hebei University of Technology

[2] Research Institute of Physical and Chemical Engineering of Nuclear Industry

[3] College of Physics and Microelectronics Science,Key Laboratory for Micro-Nano Physics and Technology of Hunan Province,Hunan University

来源：

Chinese Physics B | 2015年 / 24卷 / 03期

关键词：

magnon density distribution; bright soliton; dark soliton;

D O I：

暂无

中图分类号：

TB383.1 []; O469 [凝聚态物理学];

学科分类号：

070205 ; 080501 ; 1406 ;

摘要：

Magnon density distribution can be affected by the spin-transfer torque in a perpendicular ferromagnetic anisotropy nanowire. We obtain the analytical expression for the critical current condition. For the cases of below and above the critical value, the magnon density distribution admits bright and dark soliton states, respectively. Moreover, we discuss two-soliton collision properties that are modulated by the current. Each magnetic soliton exhibits no changes in both velocity and width before and after the collision.

引用

页码：370 / 373

页数：4

共 38 条

[1] D. A. Allwood,G. Xiong,C. C. Faulkner,D. Atkinson,D. Petit,R. P. Cowbu.Magnetic Domain-Wall Logic. Science . 2005
[2] Tsoi,Jansen,Bass,Chiang,Tsoi,Wyder.Generation and detection of phase-coherent current-driven magnons in magnetic multilayers. Nature . 2000
[3] Katine, J.A.,Albert, F.J.,Buhrman, R.A.,Myers, E.B.,Ralph, D.C.Current-driven magnetization reversal and spin-wave excitations in Co/Cu/Co pillars. Physical Review . 2000
[4] Fan Z,Ma X P,Lee S H,Shim J H,Piao H G,Kim D H. Acta Physica Sinica . 2012
[5] Tretiakov O A,Liu Y,Abanov Ar.Domain-wall dynamics in translationally nonivariant nanowires: theory and applications. Physical Review . 2012
[6] Gilbert T L. IEEE Transactions on Magnetics . 2004
[7] Masamitsu Hayashi,Luc Thomas,Charles Rettner,Rai Moriya,Stuart S. P. Parkin.Direct observation of the coherent precession of magnetic domain walls propagating along permalloy nanowires. Nature Physics . 2006
[8] Seki, Takeshi,Tomita, Hiroyuki,Shinjo, Teruya,Suzuki, Yoshishige.rf auto-oscillations in antiferromagnetically coupled layers with different coupling strengths. Applied Physics . 2010
[9] Urazhdin S. Physical Review B Condensed Matter and Materials Physics . 2008
[10] Lee, K.J.,Redon, O.,Dieny, B.Analytical investigation of spin-transfer dynamics using a perpendicular-to-plane polarizer. Applied Physics . 2005

← 1 2 3 4 →