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Skyrmion crystal in the RKKY system on the two-dimensional triangular lattice
Kota Mitsumoto, Hikaru Kawamura
We study the ordering properties of the isotropic RKKY Heisenberg model on the two-dimensional (2D) triangular lattice by extensive Monte Carlo simulations to get insights into the…
Spin dynamics simulation of the -vortex fluctuations
Yo P. Mizuta, Kazuki Aoyama, Keisuke Tomiyasu +2
Motivated by the recent quasi-elastic neutron scattering experiment, we extend the spin-dynamics simulation on the triangular-lattice Heisenberg antiferromagnet, to observe a sharp…
Observation of topological vortex fluctuations in the frustrated Heisenberg magnet NaCrO
K. Tomiyasu, Y. P. Mizuta, M. Matsuura +2
Spin fluctuations in the triangular-lattice Heisenberg antiferromagnet NaCrO are investigated by means of quasi-elastic neutron scattering with high energy resolution and wide…
Replica symmetry breaking in the RKKY skyrmion crystal system
Kota Mitsumoto, Hikaru Kawamura
We study the RKKY Heisenberg model on a three-dimensional stacked-triangular lattice under magnetic fields by extensive Monte Carlo simulations to get insight into the chiral-degen…
Effects of spin-lattice coupling and a magnetic field in classical Heisenberg antiferromagnets on the breathing pyrochlore lattice
Kazushi Aoyama, Masaki Gen, Hikaru Kawamura
We theoretically investigate spin-lattice coupling (SLC) effects on the in-field ordering properties of classical Heisenberg antiferromagnets on the breathing pyrochlore lattice. H…