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Hubble parameter for matter and dynamical dark energy
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)
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Physics
Branches of physics
Cosmology
Scale factor (cosmology)
Expansion of the universe
Hubble parameter
2026-09-24
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For
pressureless matter
and
dark energy
with
equation of state
w
(
z
)
,
H
(
z
)
=
H
0
[
Ω
m
,
0
(
1
+
z
)
3
+
Ω
DE
,
0
(
1
+
z
)
3
exp
(
3
∫
0
z
1
+
z
′
w
(
z
′
)
d
z
′
)
]
1/2
.
(1)
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Hubble parameter
Expansion of the universe
Scale factor (cosmology)
Cosmology
Branches of physics
Physics
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Past exam of the mathematics course of the University of Cambridge
/
2009
/
iii
/
Paper 66
/
1
/
iv
/
Solution
Past exam of the mathematics course of the University of Cambridge
/
2024
/
iii
/
Paper 310
/
1
/
b
/
Solution
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