Electron Spin Flip Relaxation by One Magnon Processes: Application to the Gadolinium surface band

Details Electron Spin Flip Relaxation by One Magnon Processes: Application to the Gadolinium surface band Electron Spin Flip Relaxation by One Magnon Processes: Application to the Gadolinium surface band

2000-11-07

arxiv.org/abs/cond-mat/0011121v2

Physics

Condensed Matter

Strongly Correlated Electrons

5 pages with 3 embedded postscript figures. Version 2 corrects typos and adds some references and clarifications

Scientific paper

10.1103/PhysRevB.63.214410

The "s-f model", also known as the ferromagnetic Kondo lattice, contains a description of band electrons coupled to localized spins which is an appropriate description of the magnetic part of the low-energy physics of Gd metal. Here the model is used to estimate the lifetime broadening of the minority spin component of the surface electron band in ferromagnetic gadolinium metal at temperatures below the Curie temperature. The low temperature result 0.10 eV agrees nicely with a measurement by Fedorov et al.

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