Codex Wiki
OurBigBook.com
Site
Source code
Cosmology
Home
Physics
Branch of physics
OurBigBook.com
Words: 2k
Articles: 100
Table of contents
2k
100
Cosmological perfect-fluid continuity equation
Cosmology
91
3
Barotropic equation of state
Cosmological perfect-fluid continuity equation
65
2
Constant-equation-of-state density scaling
Barotropic equation of state
45
1
Flat constant-equation-of-state scale factor
Constant-equation-of-state density scaling
22
Critical density
Cosmology
86
3
Cosmological density parameter
Critical density
73
2
Flatness problem
Cosmological density parameter
47
1
Inflationary solution of the flatness problem
Flatness problem
21
Horizon problem
Cosmology
47
Radiation in cosmology
Cosmology
13
Cosmological constant energy
Cosmology
14
Big Crunch
Cosmology
17
Cosmic inflation
Cosmology
304
14
Inflaton
Cosmic inflation
132
5
Inflaton action in an expanding universe
Inflaton
119
4
Inflationary scalar Fourier mode
Inflaton action in an expanding universe
97
3
Canonically rescaled de Sitter scalar mode
Inflationary scalar Fourier mode
77
2
Bunch-Davies vacuum
Canonically rescaled de Sitter scalar mode
61
1
Scale-invariant inflationary power spectrum
Bunch-Davies vacuum
39
Slow-roll approximation
Cosmic inflation
150
7
Quadratic-potential slow-roll solution
Slow-roll approximation
18
Quartic-potential slow-roll solution
Slow-roll approximation
16
Potential slow-roll parameter
Slow-roll approximation
14
Slow-roll e-fold count
Slow-roll approximation
47
1
Monomial slow-roll e-fold count
Slow-roll e-fold count
25
Natural inflation
Slow-roll approximation
33
1
E-fold count for the natural-inflation cosine potential
Natural inflation
10
Linear cosmological density perturbation
Cosmology
252
12
Density contrast
Linear cosmological density perturbation
25
1
Linearized cosmological continuity equation
Density contrast
16
Jeans wavenumber
Linear cosmological density perturbation
11
Radiation domination
Linear cosmological density perturbation
13
Matter-era growing and decaying density modes
Linear cosmological density perturbation
65
2
Cosmic-time matter density modes
Matter-era growing and decaying density modes
25
Matter-era linear growth factor
Matter-era growing and decaying density modes
17
Cosmological horizon crossing
Linear cosmological density perturbation
63
2
Horizon-crossing time across matter-radiation equality
Cosmological horizon crossing
18
Matter-era transfer of a horizon-crossing amplitude
Cosmological horizon crossing
24
Cosmological density power spectrum
Linear cosmological density perturbation
56
1
Broken matter power spectrum from horizon entry
Cosmological density power spectrum
28
Cosmological recombination
Cosmology
121
6
Saha ionization equation
Cosmological recombination
61
2
Chemical-potential balance for ionization
Saha ionization equation
27
Hydrogen binding energy
Saha ionization equation
13
Free-electron fraction during hydrogen--helium recombination
Cosmological recombination
38
2
Coupled hydrogen--helium Saha equations
Free-electron fraction during hydrogen--helium recombination
23
1
Hydrogen-only Saha equation
Coupled hydrogen--helium Saha equations
11
Friedmann equation
Cosmology
334
10
First integral of the Friedmann acceleration equation
Friedmann equation
31
Friedmann acceleration equation
Friedmann equation
187
5
Newtonian fluid derivation of the Raychaudhuri equation
Friedmann acceleration equation
50
Recollapse of a closed Friedmann universe with nonnegative pressure
Friedmann acceleration equation
41
Strong energy condition in a Friedmann universe
Friedmann acceleration equation
51
1
Finite-time Friedmann singularity under the strong energy condition
Strong energy condition in a Friedmann universe
32
Radiation-to-cosmological-constant transition
Friedmann acceleration equation
26
Closed radiation--cosmological-constant turning polynomial
Friedmann equation
100
2
Supercritical closed radiation--cosmological-constant recollapse
Closed radiation--cosmological-constant turning polynomial
39
Critical closed radiation--cosmological-constant solution
Closed radiation--cosmological-constant turning polynomial
23
Phantom energy
Cosmology
16
Scale factor
Cosmology
150
7
Hubble parameter
Scale factor
31
1
Hubble flow
Hubble parameter
15
Comoving coordinate
Scale factor
42
1
Peculiar velocity
Comoving coordinate
29
Cosmological redshift
Scale factor
62
2
Cosmological time dilation
Cosmological redshift
17
Redshift preservation of a thermal photon spectrum
Cosmological redshift
34
Luminosity distance
Cosmology
38
1
Cosmological flux dimming
Luminosity distance
22
Friedmann-Lemaitre-Robertson-Walker metric
Cosmology
172
8
Milne universe
Friedmann-Lemaitre-Robertson-Walker metric
33
Spatially flat FLRW metric
Friedmann-Lemaitre-Robertson-Walker metric
15
Spatial curvature of an FLRW universe
Friedmann-Lemaitre-Robertson-Walker metric
16
Proper distance in cosmology
Friedmann-Lemaitre-Robertson-Walker metric
12
Conformal time
Friedmann-Lemaitre-Robertson-Walker metric
76
3
Conformal time during de Sitter expansion
Conformal time
22
Comoving radial distance
Conformal time
14
Radial null geodesic in FLRW spacetime
Conformal time
24
Cosmological continuity equation
Cosmology
71
4
Equation-of-state parameter
Cosmological continuity equation
56
3
Quintessence
Equation-of-state parameter
42
2
Quintessence scale-factor solution
Quintessence
18
Quintessence-dominated universe
Quintessence
13
Age of an FLRW universe
Cosmology
31
1
Hubble time
Age of an FLRW universe
14
Curvature-dominated universe
Cosmology
19
Deceleration parameter
Cosmology
25
1
Accelerating universe
Deceleration parameter
12
Big Bang nucleosynthesis
Cosmology
244
10
Neutron-proton chemical equilibrium
Big Bang nucleosynthesis
14
Cosmological weak freeze-out
Big Bang nucleosynthesis
35
1
Freeze-out temperature and interaction strength
Cosmological weak freeze-out
20
Deuterium bottleneck
Big Bang nucleosynthesis
121
3
Deuterium equilibrium abundance
Deuterium bottleneck
91
1
Baryon-density effect on primordial helium
Deuterium equilibrium abundance
40
Free-neutron decay after freeze-out
Deuterium bottleneck
13
Primordial helium mass fraction
Big Bang nucleosynthesis
53
2
Neutron-limited helium synthesis
Primordial helium mass fraction
17
Primordial composition and stellar lifetime
Primordial helium mass fraction
20
Baryon-to-photon ratio
Cosmology
26
Ancestors
(3)
Branch of physics
Physics
Home
Codex Wiki