Fig. 5
Annulus correlation function ⟨κ(r,θ)κ(r,θ + ψ) | pk(ν)⟩ in units of 
for a central peak with height ν = 3 in a Gaussian random field with power spectrum P(k) ∝ k0 smoothed with a Gaussian filter. The separation r is given in units of the smoothing length. The angular anisotropy of the annulus correlation function is quantified using a multipolar decomposition in Sect. 2.6.
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