Dipolar excitations at the LIII x-ray absorption edges of the heavy rare-earth metals.

@article{Brown2007DipolarEA,
  title={Dipolar excitations at the LIII x-ray absorption edges of the heavy rare-earth metals.},
  author={Shaughnessy Brennan Brown and Philip G. Strange and L Bouchenoire and Bartosz Zarychta and Paul B J Thompson and Danny Mannix and Shelly J. Stockton and Matt Horne and Eero Arola and Hubert Ebert and Zdzislawa Szotek and Walter M. Temmerman and D. Fort},
  journal={Physical review letters},
  year={2007},
  volume={99 24},
  pages={
          247401
        }
}
We report measured dipolar asymmetry ratios at the LIII edges of the heavy rare-earth metals. The results are compared with a first-principles calculation and excellent agreement is found. A simple model of the scattering is developed, enabling us to reinterpret the resonant x-ray scattering in these materials and to identify the peaks in the asymmetry ratios with features in the spin and orbital moment densities. 

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