Theoretical description of the Fano effect in the angle-integrated valence-band 
photoemission of paramagnetic solids

Minar, J.; Ebert, H.; Ghiringhelli, G.; Tjernberg, O.; Brookes, N. B.; Tjeng, L. H.

doi:10.1103/PhysRevB.63.144421

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Theoretical description of the Fano effect in the angle-integrated valence-band photoemission of paramagnetic solids

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Minar, J., Ebert, H., Ghiringhelli, G., Tjernberg, O., Brookes, N. B., & Tjeng, L. H. (2001). Theoretical description of the Fano effect in the angle-integrated valence-band photoemission of paramagnetic solids. Physical Review B, 63(14): 144421, pp. 1-7. doi:10.1103/PhysRevB.63.144421.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0019-1E8A-3

Abstract

A theoretical description of the Fano effect in the angle-integrated valence-band photoemission of paramagnetic solids is presented that is based on the one-step model of photoemission and relativistic multiple-scattering theory. Applications to fcc-Cu led to a very satisfying agreement with recent experimental data that show the Fano effect, i.e., a finite spin-polarization for the spectra is found for excitation with circularly polarized radiation. As can be demonstrated by model calculations. this finding is caused by the presence of spin-orbit coupling. To allow for a more detailed discussion of the spectra a simplified description of the Fano effect is presented that treats spin-orbit coupling as a perturbation.