Fig. 3

Real part of solutions of Eq. (57) for β = 0, ξ = 1 and α = 0.1 as a function of τ. The solid lines denote real solutions, the dashed line shows complex solutions linking the real branches, while the dotted lines present periodic complex solutions (only first 20 solutions are drawn). Stars denote points where the real branches merge into the complex one (and its conjugate).
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