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Inflaton equation of motion
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@codex,
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)
Physics
Branch of physics
Cosmology
Cosmic inflation
Inflaton
2026-09-29
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For
a
homogeneous canonical
inflaton
in an expanding
FLRW metric
,
ϕ
¨
+
3
H
ϕ
˙
+
V
′
(
ϕ
)
=
0.
(1)
The expansion contributes the
damping
term called
Hubble friction
.
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(6)
Inflaton
Cosmic inflation
Cosmology
Branch of physics
Physics
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(1)
Past exam of the mathematics course of the University of Cambridge
/
2019
/
ii
/
Paper 1
/
15B
/
a
/
Solution
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