The Sachs-Wolfe effect is the large-angle CMB temperature anisotropy produced by intrinsic photon-temperature perturbations and gravitational redshift at last scattering. For an adiabatic mode during matter domination, Θ0+Ψ=Ψ/3 on superhorizon scales.
Ancestors (9)
- Sachs-Wolfe combination
- Photon monopole
- Photon temperature multipole
- Cosmic microwave background anisotropy
- Cosmic microwave background
- Cosmology
- Branches of physics
- Physics
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- Photon redshift identity with positive spatial perturbations
- Sachs-Wolfe plateau
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