Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
2010-06-22
J. Phys. Soc. Jpn. 79, 083711 (2010)
Physics
Condensed Matter
Strongly Correlated Electrons
4 pages, 4 figures, accepted for publication in J. Phys. Soc. Jpn.; (v2) revised version including minor correction in Fig. 3
Scientific paper
We investigate the ground-state phase diagram for the ferromagnetic Kondo lattice model on a triangular lattice by a variational calculation for various spin orderings up to a four-site unit cell. We find that a noncoplanar four-sublattice ordering with a finite scalar spin chirality emerges at and around 1/4 filling, in addition to the 3/4-filled case, which was predicted to be induced by the perfect nesting of the Fermi surface [I. Martin and C. D. Batista: Phys. Rev. Lett. {\bf 101} (2008) 156402]. The 1/4-filling phase is stable in a wider range of parameters than the 3/4-filling one, and includes a large region of gapped insulating state characterized by a Chern number. We also compute the Hall conductivity in the chiral-ordered phases.
Akagi Yutaka
Motome Yukitoshi
No associations
LandOfFree
Spin chirality ordering and anomalous Hall effect in the ferromagnetic Kondo lattice model on the triangular lattice does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Spin chirality ordering and anomalous Hall effect in the ferromagnetic Kondo lattice model on the triangular lattice, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Spin chirality ordering and anomalous Hall effect in the ferromagnetic Kondo lattice model on the triangular lattice will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-107880