97 research outputs found
Ground-state phase diagram of the Kondo lattice model on triangular-to-kagome lattices
We investigate the ground-state phase diagram of the Kondo lattice model with
classical localized spins on triangular-to-kagome lattices by using a
variational calculation. We identify the parameter regions where a
four-sublattice noncoplanar order is stable with a finite spin scalar chirality
while changing the lattice structure from triangular to kagome continuously.
Although the noncoplanar spin states appear in a wide range of parameters, the
spin configurations on the kagome network become coplanar as approaching the
kagome lattice; eventually, the scalar chirality vanishes for the kagome
lattice model.Comment: 7 pages, 3 figure
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