(NON-)RELATIVISTIC LAGRANGIAN PERTURBATION THEORY

  • The large{scale structure of the universe
    • Why pursue studying the large{scale structure of the universe?
    • Why pursue a Lagrangian approach?
  • Fourth{order model for NLPT
  • Recursion relations in NLPT
  • The (resummed) matter bispectrum in NLPT
  • Renormalised NLPT on the lattice
  • The gradient expansion for general relativity
  • The gradient expansion and its relation to NLPT in CDM
  • Initial scale-dependent non-Gaussianity from General Relativity
  • A Appendix
  • B Appendix
  • C Appendix
    • C.1 Perturbative kernels
    • C.2 Perturbative N-point correlators
    • C.3 From primordial curvature perturbations to non-Gaussian initial conditions
    • C.4 One-loop expressions for the bispectrum