Spin Current as a Probe of the -Vortex Topological Transition in the Classical Heisenberg Antiferromagnet on the Triangular Lattice
K Aoyama, H Kawamura - Physical Review Letters, 2020 - APS
We have theoretically investigated transport properties of the classical Heisenberg
antiferromagnet on the triangular lattice, in which a binding-unbinding topological transition …
antiferromagnet on the triangular lattice, in which a binding-unbinding topological transition …
Spin conductivity in two-dimensional non-collinear antiferromagnets
Y Kubo, S Kurihara - Journal of the Physical Society of Japan, 2013 - journals.jps.jp
We propose a method to derive the spin current operator for non-collinear Heisenberg
antiferromagnets. We show that the spin conductivity calculated by the spectral …
antiferromagnets. We show that the spin conductivity calculated by the spectral …
Effects of magnetic anisotropy on spin and thermal transport in classical antiferromagnets on the square lattice
K Aoyama, H Kawamura - Physical Review B, 2019 - APS
Transport properties of the classical antiferromagnetic XXZ model on the square lattice have
been theoretically investigated, putting emphasis on how the occurrence of a phase …
been theoretically investigated, putting emphasis on how the occurrence of a phase …
Spin conductivity of the two-dimensional ferroquadrupolar Heisenberg model
LS Lima - Solid State Communications, 2016 - Elsevier
We use the SU (3) Schwinger׳ s boson theory to study the spin transport in the S= 1 two-
dimensional ferroquadrupolar Heisenberg model in the square lattice. We calculate the spin …
dimensional ferroquadrupolar Heisenberg model in the square lattice. We calculate the spin …
Spin superfluidity in the anisotropic XY model in the triangular lattice
LS Lima - Solid State Communications, 2016 - Elsevier
We use the SU (3) Schwinger׳ s boson theory to study the spin transport properties in the
two-dimensional anisotropic frustrated Heisenberg model in the triangular lattice at T= 0. We …
two-dimensional anisotropic frustrated Heisenberg model in the triangular lattice at T= 0. We …
Spin conductivity of the two-dimensional anisotropic frustrated Heisenberg model in the honeycomb lattice
LS Lima - Solid State Communications, 2016 - Elsevier
We use the SU (3) Schwinger׳ s boson theory to study the spin transport properties of the
two-dimensional anisotropic frustrated Heisenberg model in a honeycomb lattice at T= 0. We …
two-dimensional anisotropic frustrated Heisenberg model in a honeycomb lattice at T= 0. We …
Spin and thermal transport and critical phenomena in three-dimensional antiferromagnets
K Aoyama - Physical Review B, 2022 - APS
We investigate spin and thermal transport near the Néel transition temperature TN in three
dimensions by numerically analyzing the classical antiferromagnetic XXZ model on the …
dimensions by numerically analyzing the classical antiferromagnetic XXZ model on the …
Low-temperature transport in the XY chain with staggered Dzyaloshinskii–Moriya interaction
LS Lima - Solid State Communications, 2023 - Elsevier
The influence of staggered Dzyaloshinskii–Moriya (DM) interaction as well as external
magnetic fields on transport properties of the spin-1/2 one-dimensional XY model with …
magnetic fields on transport properties of the spin-1/2 one-dimensional XY model with …
Spin transport in the frustrated anisotropic three-dimensional XY model
LS Lima - Solid State Communications, 2016 - Elsevier
We use the SU (3) Schwinger's boson theory to study the spin transport in the frustrated
anisotropic three-dimensional XY model at T= 0 with single ion anisotropy. We have …
anisotropic three-dimensional XY model at T= 0 with single ion anisotropy. We have …
Transport in Z2 invariant in one and two-dimensional topological insulators models
LS Lima - Physica E: Low-dimensional Systems and …, 2019 - Elsevier
The properties of the electric transport in the neighbourhood of the topological transition is
investigated in some topological insulators models such as the Qi-Wu-Zhang model or …
investigated in some topological insulators models such as the Qi-Wu-Zhang model or …