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Matter-dominated density-perturbation modes
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Physics
Branch of physics
Cosmology
Linear cosmological density perturbation
Density contrast
Linear growth factor
2026-09-29
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In
a
matter
-dominated
universe
, the long-
wavelength
pressureless growth
equation
has modes
δ
+
∝
a
,
δ
−
∝
a
−
3/2
.
(1)
Ancestors
(7)
Linear growth factor
Density contrast
Linear cosmological density perturbation
Cosmology
Branch of physics
Physics
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Past exam of the mathematics course of the University of Cambridge
/
2019
/
iii
/
Paper 310
/
3
/
b
/
Solution
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