Figure 5
Normalized energy dispersion curves for long wavelength bulk (blue) and evanescent (red) exchange spin waves on a magnetically isotropic nanoribbon with zigzag edge boundaries (left) and bearded edge boundaries (right). The half-widths d are \(71/(2\sqrt{3})\) and \(70/(2\sqrt{3})\) for nanoribbons with zigzag and bearded edge boundaries, respectively. The curves are plotted as functions of the continuous kx wavevector for the allowed (ky, q) values, ky for (bulk) and q for (evanescent) modes.
