Extended Data Fig. 3: Calculated phase diagram with perturbations J|| = −0.01 K and A4 = 0.0016 K. | Nature

Extended Data Fig. 3: Calculated phase diagram with perturbations J|| = −0.01 K and A4 = 0.0016 K.

From: Fractional antiferromagnetic skyrmion lattice induced by anisotropic couplings

Extended Data Fig. 3: Calculated phase diagram with perturbations J|| = −0.01 K and A4 = 0.0016 K.The alternative text for this image may have been generated using AI.

Phase diagram for MnSc2S4 obtained from Monte Carlo simulations with a field applied along the [111] direction as in the experiment. The colour map shows the calculated absolute value of the total scalar spin chirality, χtot. Squares indicate the phase boundary obtained from the peak position of the calculated magnetic susceptibility in field along the [111] direction. Up-pointing triangles on the boundary of the antiferromagnetic skyrmion lattice (AF-SkL) phase are the middle points of the steep rise/drop in χtot as a function of magnetic field at constant T, and their errors are estimated using the half-width of the transitional region. Left-pointing triangles mark the sudden rise in χtot(T) in constant field. Error bars representing the standard deviations are not shown if their length is smaller than the marker size.

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