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Boltzmann-Ginzburg-Landau approach for continuous descriptions of generic Vicsek-like models

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Fig. 1. Phase diagram of the homogeneous solutions of the hydrodynamic equations for polar particles with ferromagnetic interactions in the noise-density plane, in the absence of microscopic positional diffusion (D 0 = D 1 = 0), and without the ρ dependenc
Fig. 2. Phase diagram of the linear stability analysis of the homogeneous solutions to the hydrodynamic equations with and without the ρ-dependence of the transport coefficients of the nonlinear terms (see text)
Fig. 3. Phase diagram of the linear stability analysis of the homogeneous solutions to the hydrodynamic equations for the case of polar particles aligning ferromagnetically in the presence of positional diffusion: D 1 = −0.5 (top left), D 1 = 0 (top right)

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