Electronic structure and x-ray magnetic circular dichroism in uranium monochalcogenides

Автор(и)

  • V.N. Antonov* Ames Laboratory, Iowa State University, Iowa 50011, USA
  • B.N. Harmon Ames Laboratory, Iowa State University, Iowa 50011, USA
  • O.V. Andryushchenko Institute of Metal Physics, 36 Vernadsky Str., Kiev 03142, Ukraine
  • L.V. Bekenev Institute of Metal Physics, 36 Vernadsky Str., Kiev 03142, Ukraine
  • A.N. Yaresko Max Planck Institute for Physics of Complex Systems, Dresden D-01187, Germany

DOI:

https://doi.org/10.1063/1.1704618

Ключові слова:

PACS: 71.28. d, 71.25.Pi, 75.30.Mb

Анотація

The electronic structure and x-ray magnetic circular dichroism (XMCD) spectra of US, USe, and UTe are investigated theoretically from first principles, using the fully relativistic Dirac LMTO band structure method. The electronic structure is obtained with the local spin-density approximation (LSDA), as well as with a generalization of the LSDA+U method which takes into account that in the presence of spin–orbit coupling the occupation matrix of localized electrons becomes non-diagonal in spin indexes. The origin of the XMCD spectra in the compounds is examined.

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Опубліковано

2004-02-27

Як цитувати

(1)
Antonov*, V.; Harmon, B.; Andryushchenko, O.; Bekenev, L.; Yaresko, A. Electronic Structure and X-Ray Magnetic Circular Dichroism in Uranium Monochalcogenides. Fiz. Nizk. Temp. 2004, 30, 411-425.

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Низькотемпературний магнетизм