Power spectrum of the magnetic (left) and kinetic (right) energy densities for the σ ∼ 1 jet model of KGM+21 (upper row), the σ ∼ 1 (middle row), and σ ∼ 10 (bottom row) jet models of this work, for different times in units of L/c. The red dotted line corresponds to a k ^−11/3 3D Kolmogorov spectrum and its extension gives the inertial range of the turbulence for evolved times >30 L/c for the σ ∼ 1 models, and >10 L/c for the σ ∼ 10 model. The wavenumber is in the unit of L.