On the non-linear scale of cosmological perturbation theory
On the non-linear scale of cosmological perturbation theory
On the non-linear scale of cosmological perturbation theory
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Standard Perturbation Theory100Plin1-loop2-loopP(k,z=0) [(h/Mpc) -3 ]1010.10.010.001 0.01 0.1 1 10k [h/Mpc]SPT breaks down at small <strong>scale</strong>s / late times [P L−loop ∝ D 2L+2+ ∼ ( 11+z) 2L+2]initial spectrum from CAMB (ΛCDM - WMAP5)Mathias Garny (DESY Hamburg / CERN)<strong>On</strong> <strong>the</strong> <strong>non</strong>-<strong>linear</strong> <strong>scale</strong> <strong>of</strong> <strong>cosmological</strong> <strong>perturbation</strong> <strong>the</strong>ory