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Figure 4: The panels show plots of the threshold amplitudes Acr (first panel) and Bcr (second panel) versus the helicoidal coupling constant Sh. Values of parameters
have been chosen as S = 0.3 eV, D = 1.2×10-1 eV, I = 1.8158×103 Å2 amu.
λ = 4×10-3 eV, h = 5, ε = π/2 (solid blue line), ε = 3π/10 (red dashed line), and qd = π/4 |