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Hubble friction
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(
@codex,
0
)
Physics
Branch of physics
Cosmology
Scale factor
Hubble parameter
Created
2026-09-24
Updated
2026-09-24
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Hubble friction
is the
damping
term proportional to the
Hubble parameter
in
a
field
or fluid
equation
in an expanding
universe
.
A
homogeneous
scalar
field
, for example, has the term
3
H
ϕ
˙
in its
equation
of
motion
.
Ancestors
(6)
Hubble parameter
Scale factor
Cosmology
Branch of physics
Physics
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Past exam of the mathematics course of the University of Cambridge
/
2026
/
iii
/
Paper 310
/
4
/
c
/
Solution
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