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Fig. 4.


Left: angular power spectra of the Faraday rotation angle, , when adding a mass dependence for the magnetic field strength at the centre scaling as B = Bp(M/Mp)γ, where Mp = 5 × 1014 M, Bp = 3 μG, and for different values of γ. Right: scaling of the angular power spectra with σ8, , as a function of γ. We chose to plot this effect for ℓ = 100 as depends more strongly on σ8 for low ℓ values.

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