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  • Sharma, S., et al. (author)
  • First-principles approach to noncollinear magnetism : Towards spin dynamics
  • 2007
  • In: Physical Review Letters. - 0031-9007 .- 1079-7114. ; 98:19, s. 196405-
  • Journal article (peer-reviewed)abstract
    • A description of noncollinear magnetism in the framework of spin-density functional theory is presented for the exact exchange energy functional which depends explicitly on two-component spinor orbitals. The equations for the effective Kohn-Sham scalar potential and magnetic field are derived within the optimized effective potential (OEP) framework. With the example of a magnetically frustrated Cr monolayer it is shown that the resulting magnetization density exhibits much more noncollinear structure than standard calculations. Furthermore, a time-dependent generalization of the noncollinear OEP method is well suited for an ab initio description of spin dynamics. We also show that the magnetic moments of solids Fe, Co, and Ni are well reproduced.
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Type of publication
journal article (1)
Type of content
peer-reviewed (1)
Author/Editor
Sharma, S. (1)
Nordström, Lars (1)
Ambrosch-Draxl, C. (1)
Dewhurst, J. K. (1)
Gross, E. K. U. (1)
Shallcross, S. (1)
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Kurth, S. (1)
Helbig, N. (1)
Pittalis, S. (1)
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University
Uppsala University (1)
Language
English (1)
Research subject (UKÄ/SCB)
Natural sciences (1)
Year
2007 (1)

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