Domain wall resistance based on Landauer's formula

被引:20
作者
Tatara, G [1 ]
机构
[1] Osaka Univ, Grad Sch Sci, Toyonaka, Osaka 5600043, Japan
关键词
domain wall; magnetoresistance; mesoscopic magnet;
D O I
10.1143/JPSJ.69.2969
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The scattering of the electron by a domain mall in a nano-wire is calculated perturbatively to the lowest order. The resistance is calculated by use of Landauer's formula. The result is shown to agree with the result of the linear response theory if the equilibrium is assumed in the four-terminal case.
引用
收藏
页码:2969 / 2972
页数:4
相关论文
共 23 条
[1]   Ballistic and diffuse transport through a ferromagnetic domain wall [J].
Brataas, A ;
Tatara, G ;
Bauer, GEW .
PHYSICAL REVIEW B, 1999, 60 (05) :3406-3413
[2]   Geometrically constrained magnetic wall [J].
Bruno, P .
PHYSICAL REVIEW LETTERS, 1999, 83 (12) :2425-2428
[3]   GENERALIZED MANY-CHANNEL CONDUCTANCE FORMULA WITH APPLICATION TO SMALL RINGS [J].
BUTTIKER, M ;
IMRY, Y ;
LANDAUER, R ;
PINHAS, S .
PHYSICAL REVIEW B, 1985, 31 (10) :6207-6215
[4]   THEORY OF RESIDUAL RESISTIVITY OF BLOCH WALLS .1. PARAMAGNETIC EFFECTS [J].
CABRERA, GG ;
FALICOV, LM .
PHYSICA STATUS SOLIDI B-BASIC RESEARCH, 1974, 61 (02) :539-549
[5]   Magnetoresistance in excess of 200% in ballistic Ni nanocontacts at room temperature and 100 Oe [J].
García, N ;
Muñoz, M ;
Zhao, YW .
PHYSICAL REVIEW LETTERS, 1999, 82 (14) :2923-2926
[6]  
GELLER YL, 1998, PHYS REV LETT, V81, P3215
[7]   Effect of microwaves on domain wall motion in thin Ni wires [J].
Hong, K ;
Giordano, N .
EUROPHYSICS LETTERS, 1996, 36 (02) :147-152
[8]   Conductance quantization and magnetoresistance in magnetic point contacts [J].
Imamura, H ;
Kobayashi, N ;
Takahashi, S ;
Maekawa, S .
PHYSICAL REVIEW LETTERS, 2000, 84 (05) :1003-1006
[9]  
Imry Y., 1997, INTRO MESOSCOPIC PHY
[10]   Quantized conductance through atomic-sized iron contacts at 4.2 K [J].
Komori, F ;
Nakatsuji, K .
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 1999, 68 (12) :3786-3789