OurBigBook
About
$
Donate
Sign in
Sign up
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
Like
0 By others
on same topic
0 Discussions
Create my own version
The
vacuum
equation
with positive
cosmological constant
gives
H
2
=
Λ/3
. Its expanding flat-slicing solution is
a
(
t
)
=
a
0
e
Λ/3
t
.
(1)
Ancestors
(9)
Flat FLRW Einstein-tensor divergence
Einstein tensor
Contracted Bianchi identity
Ricci tensor
Riemann curvature tensor
General relativity
Branch of physics
Physics
Home
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
View article source
Discussion
(0)
Subscribe (1)
New discussion
There are no discussions about this article yet.
Articles by others on the same topic
(0)
There are currently no matching articles.
See all articles in the same topic
Create my own version