Orbital Polarization in Itinerant Magnets

Details Orbital Polarization in Itinerant Magnets Orbital Polarization in Itinerant Magnets

2005-10-05

arxiv.org/abs/cond-mat/0510100v1

Phys. Rev. Lett. 95, 267205 (2005)

Physics

Condensed Matter

Strongly Correlated Electrons

5 pages, 4 figures

Scientific paper

10.1103/PhysRevLett.95.267205

We propose a parameter-free scheme of calculation of the orbital polarization (OP) in metals, which starts with the strong-coupling limit for the screened Coulomb interactions in the random-phase approximation (RPA). For itinerant magnets, RPA can be further improved by restoring the spin polarization of the local-spin-density approximation (LSDA) through the local-field corrections. The OP is then computed in the static GW approach, which systematically improves the orbital magnetization and the magnetic anisotropy energies in transition-metal and actinide compounds.

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