Finite size effects on the helical edge states on the Lieb lattice
Chen Rui, Zhou Bin†,
       

(a) Energy spectrum of edge states under asymmetry boundary condition with n = 10 for λ = 0 and 0.05t. (b) The variation of the finite size energy gap ΔE with λ for different n. (c) The variation of the finite size energy gap ΔE with n for different λ.