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Fig. 9

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Correlators at fixed redshifts zi = zj = 30,10,5,1,0 from top to bottom (from light to dark blue) for the under-dense regions. For wm = 1, the curves are peaked at wn = 1, while they drop gradually as wn is increased to higher values. Similarly, the curves for wm = 2 are peaked at wn = 2, and get reduced as the distance increases from this point. For the other wm and wn values, the behaviour is very similar. We see that the lower the output redshift, the narrower the coupling kernels, i.e. a nonlinear evolution in under-dense regions leads to additional decoupling of nearby wavelet modes.

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