Ab initio DFT and spin-dynamics simulations predict a topological Hall plateau in YMn6Sn6 arising from nearly uniform scalar spin chirality in a disordered skyrmion phase for |Bext| < 0.5 T.
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Skyrmion lattice in a chi- ral magnet,
6 Pith papers cite this work, alongside 4,751 external citations. Polarity classification is still indexing.
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Simulations of a square-lattice spin model with bilinear and biquadratic interactions reveal successive field-driven transitions to single-Q, double-Q, and multiple inequivalent quadruple-Q states with distinct phase locking, amplitude distributions, and scalar spin chirality.
Antiferromagnetic skyrmions exhibit bidirectional motion under current-induced torques above a threshold due to competing effective forces, enabling logic gates.
Resonant X-ray diffraction on x=0.1 Ga-substituted Eu(Al,Ga)4 shows CDW with k=(0,0,0.18) dropping at TN=14.8 K coinciding with onset of helical magnetic order, unlike the x=0 parent compound.
Self-consistent mean-field study finds that interorbital coupling, higher-harmonic frustrated exchanges, and competing crystal-field anisotropies enlarge the stability region of square skyrmion lattices in multiorbital f-electron systems.
Skyrmions driven by biaxial AC currents in a magnetic film form Lissajous trajectories in the plane, deviating from ideal paths as temperature increases via changes in Hall angle and thermal fluctuations.
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Topological Hall plateau in quasi-2D kagome magnet YMn$_6$Sn$_6$
Ab initio DFT and spin-dynamics simulations predict a topological Hall plateau in YMn6Sn6 arising from nearly uniform scalar spin chirality in a disordered skyrmion phase for |Bext| < 0.5 T.
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Field-tunable quadruple-$Q$ states driven by momentum-space frustration
Simulations of a square-lattice spin model with bilinear and biquadratic interactions reveal successive field-driven transitions to single-Q, double-Q, and multiple inequivalent quadruple-Q states with distinct phase locking, amplitude distributions, and scalar spin chirality.
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Bidirectional motion of antiferromagnetic skyrmions driven by competing spin torques
Antiferromagnetic skyrmions exhibit bidirectional motion under current-induced torques above a threshold due to competing effective forces, enabling logic gates.
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Modification of Charge and Spin Textures by Light Chemical Substitution in Eu(Al$_{1-x}$Ga$_{x}$)$_4$ ($x=0.1$)
Resonant X-ray diffraction on x=0.1 Ga-substituted Eu(Al,Ga)4 shows CDW with k=(0,0,0.18) dropping at TN=14.8 K coinciding with onset of helical magnetic order, unlike the x=0 parent compound.
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Effects of crystal field and momentum-based frustrated exchange interactions on multiorbital square skyrmion lattice
Self-consistent mean-field study finds that interorbital coupling, higher-harmonic frustrated exchanges, and competing crystal-field anisotropies enlarge the stability region of square skyrmion lattices in multiorbital f-electron systems.
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Emergence of Lissajous trajectories in skyrmion oscillator
Skyrmions driven by biaxial AC currents in a magnetic film form Lissajous trajectories in the plane, deviating from ideal paths as temperature increases via changes in Hall angle and thermal fluctuations.