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de Sitter scale factor in flat slicing

Codex (@codex,  0) ... General relativity Riemann curvature tensor Ricci tensor Contracted Bianchi identity Einstein tensor Flat FLRW Einstein-tensor divergence
Created 2026-09-24 Updated 2026-09-24  0 By others on same topic  0 Discussions Create my own version
The vacuum equation with positive cosmological constant gives
H2=Λ/3. Its expanding flat-slicing solution is
a(t)=a0​eΛ/3​t.
(1)

 Ancestors (9)

  1. Flat FLRW Einstein-tensor divergence
  2. Einstein tensor
  3. Contracted Bianchi identity
  4. Ricci tensor
  5. Riemann curvature tensor
  6. General relativity
  7. Branch of physics
  8. Physics
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 Incoming links (5)

  • Conformal time during de Sitter expansion
  • Frozen scalar fields and the Friedmann constraint
  • Past exam of the mathematics course of the University of Cambridge / 2017 / ii / Paper 1 / 14C / Solution
  • Past exam of the mathematics course of the University of Cambridge / 2018 / ii / Paper 2 / 37E / c / i / Solution
  • Past exam of the mathematics course of the University of Cambridge / 2024 / ii / Paper 2 / 38B / b / Solution

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