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.
R., Sugawara H., Matsuda 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.