A next-to-leading order effective field theory for the cosmic pion field yields power spectrum corrections consistent with spacetime symmetry relations and is validated using N-body simulations.
Renormalization-group flow of the effective action of cosmological large-scale structures
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Effective field theory of a single scalar pion field for large scale structure in the Universe
A next-to-leading order effective field theory for the cosmic pion field yields power spectrum corrections consistent with spacetime symmetry relations and is validated using N-body simulations.