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Figure 19
Free energies of the stable two-scale quasiperiodic structures in the BDL model: the decagonal structure (k5) is the equilibrium phase for T [\lesssim] 1.125 and the dodecagonal structure (k12) is the equilibrium phase for 0.8697 [\lesssim] T [\lesssim] 1.159. Black dots mark the phase transitions, while colored dots mark transitions between linear and nonlinear regimes of the free energy, where the Fourier amplitudes [{\tilde \rho}_1] and [{\tilde \rho}_q] reach a stationary pair of values.

IUCrJ
Volume 5| Part 3| May 2018| Pages 247-268
ISSN: 2052-2525
https://doi.org/10.1107/S2052252518001161