de Sitter universe

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Term: de Sitter universe

A solution to Einstein's field equations of general relativity which contains no ordinary matter (Ω_M = 0) or radiation (Ω_R = 0), is Euclidean (k = 0), but has a cosmological constant (Ω_Λ > 0). The Universe expands exponentially forever. This solution was the first model expanding of expanding Universe.

Created 2023.04.16
Last Modified 2023.04.16
Contributed by Ryan McGranaghan