Figure 6
From: Topologically protected localised states in spin chains
In the upper panel, fidelity of one initial excitation injected at the middle site (site encoding) -green- or localised eigenstate (eigenstate encoding) unperturbed -orange- or with E = 0.1 level of disorder -dashed blue- of a case (a) N = 21 chain and Δ/δ = 40. In the lower panel, unperturbed phase dynamics of the excitation injected at the middle site (solid lines) and averaged disordered (E = 0.1) phase dynamics over 100 realisations (dashed lines) for different coupling ratios (Δ/δ) of a case (a) N = 21 chain and site encoding.
