• DOI:10.1016/j.physrep.2006.03.002
Corpus ID: 1731891

Weak gravitational lensing of the CMB

@article{Lewis2006WeakGL,
  title={Weak gravitational lensing of the CMB},
  author={A. Lewis and A. Challinor},
  journal={Physics Reports},
  year={2006},
  volume={429},
  pages={1-65}
}

• A. Lewis, A. Challinor
• Published 2006
• Physics
• Physics Reports

Weak gravitational lensing has several important effects on the cosmic microwave background (CMB): it changes the CMB power spectra, induces non-Gaussianities, and generates a B-mode polarization signal that is an important source of confusion for the signal from primordial gravitational waves. The lensing signal can also be used to help constrain cosmological parameters and lensing mass distributions. We review the origin and calculation of these effects. Topics include: lensing in General… Expand

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