Einstein's Universe: Cosmological structure formation in numerical relativity

  title={Einstein's Universe: Cosmological structure formation in numerical relativity},
  author={Hayley J. Macpherson and Daniel J. Price and P. Lasky},
  journal={Physical Review D},
  • Hayley J. Macpherson, Daniel J. Price, P. Lasky
  • Published 2018
  • Physics
  • Physical Review D
  • We perform large-scale cosmological simulations that solve Einstein's equations directly via numerical relativity. Starting with initial conditions sampled from the cosmic microwave background, we track the emergence of a cosmic web without the need for a background cosmology. We measure the backreaction of large-scale structure on the evolution of averaged quantities in a matter-dominated universe. We find negligible global backreaction in our simulations, with cosmological parameters… CONTINUE READING
    19 Citations
    4G: Pure fourth-order gravity
    Spatial Curvature in Cosmology Revisited
    • 5
    • PDF