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Cited by 423

The DOI matches its Crossref record; 98 of the 98 references it cites were found in a registry or an index.

Microscopic approach to current-driven domain wall dynamics

Open access
Tatara, Gen, Kohno, Hiroshi, Shibata, Junya·2008·Physics Reports
DOI 10.1016/j.physrep.2008.07.003
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Abstract

Abstract This review describes in detail the essential techniques used in microscopic theories on spintronics. We have investigated the domain wall dynamics induced by an electric current, based on the s – d exchange model. The domain wall is treated as rigid and planar and is described by two collective coordinates: the position and angle of wall magnetization. The effect of conduction electrons on the domain wall dynamics is calculated in the case of slowly varying spin structure (close to the adiabatic limit) by use of a gauge transformation. The spin-transfer torque and force on the wall are expressed by Feynman diagrams and calculated systematically using non-equilibrium Green’s functions, treating electrons fully quantum mechanically. The wall dynamics is discussed, based on two coupled equations of motion derived for two collective coordinates. The force is related to electron transport properties, resistivity, and the Hall effect. The effect of conduction electron spin relaxation on the torque and wall dynamics is also studied.

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Metadata

Authors
Tatara, G., Kohno, H., & Shibata, J.
Venue
Physics Reports
Publisher
Elsevier BV
Published
2008-11
Volume
468
Issue
6
Pages
213-301
ISSN
0370-1573 (ISSN-L)
DOI
10.1016/j.physrep.2008.07.003
OpenAlex
W2168154429
Cited by
423
References
98
FWCI
14.31
Type
journal article
Language
en
Open access
green

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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