 P22 contribution to the one-loop matter power spectrum

ID: p22-contribution-to-the-one-loop-matter-power-spectrum

The

P_{22}

contribution correlates two second-order density fields. For symmetrized kernels,

P_{22} (k) = 2 \int \frac{d ^{3} q}{( 2 π ) ^{3}} F_{2} (q, k - q)^{2} P (q) P (∣ k - q ∣) .

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