Fig. 3: Equilibrium States of Skyrmions and Bimerons.
From: All-electric control of skyrmion-bimeron transition in van der Waals heterostructures
a Spin configurations of equilibrium skyrmions (left column) and bimerons (right column). The yellow dashed lines indicate the direction along the diameter of a skyrmion/bimeron. b The magnetization components mx,  my, and mz along the diameter direction of equilibrium skyrmions and bimerons. The colored dots represent the simulation results, and the black lines are analytic curves based on Eq. (3). c Simulated Lorentz transmission electron microscopy (L-TEM) images of equilibrium skyrmions and bimerons. Statistics of thirty sets of (d) energy and (e) topological charge data for skyrmion/bimeron relaxed from random magnetization. The dashed lines represent the average values. f Comparison of the average exchange energy Eexch, anisotropy energy Eanis, and demagnetization energy Edemag for equilibrium skyrmions and bimerons. g The average effective field vectors Beff and anisotropy field vectors Banis for equilibrium skyrmions and bimerons.
