Document Detail


Dynamics of skyrmion crystals in metallic thin films.
MedLine Citation:
PMID:  22026888     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
We study the collective dynamics of the Skyrmion crystal in thin films of ferromagnetic metals resulting from the nontrivial Skyrmion topology. It is shown that the current-driven motion of the crystal reduces the topological Hall effect and the Skyrmion trajectories bend away from the direction of the electric current (the Skyrmion Hall effect). We find a new dissipation mechanism in noncollinear spin textures that can lead to a much faster spin relaxation than Gilbert damping, calculate the dispersion of phonons in the Skyrmion crystal, and discuss the effects of impurity pinning of Skyrmions.
Authors:
Jiadong Zang; Maxim Mostovoy; Jung Hoon Han; Naoto Nagaosa
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Publication Detail:
Type:  Journal Article     Date:  2011-09-23
Journal Detail:
Title:  Physical review letters     Volume:  107     ISSN:  1079-7114     ISO Abbreviation:  Phys. Rev. Lett.     Publication Date:  2011 Sep 
Date Detail:
Created Date:  2011-10-26     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0401141     Medline TA:  Phys Rev Lett     Country:  United States    
Other Details:
Languages:  eng     Pagination:  136804     Citation Subset:  IM    
Affiliation:
Department of Physics, Fudan University, Shanghai 200433, China and Department of Applied Physics, University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo 113-8656, Japan and Cross-Correlated Materials Research Group (CMRG), and Correlated Electron Research Group (CERG), RIKEN-ASI, Wako, Saitama 351-0198, Japan.
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