Review Article
Non-Gaussianity and the Cosmic Microwave Background Anisotropies
| | Symbol | Definition | Equation |
| | Gravitational potentials in Poisson gauge | (1) | | nd-order vector perturbation in Poisson gauge | (1) | | nd-order tensor perturbation in Poisson gauge | (1) | | Conformal time | (1) | | Photon distribution function | (64) | | Distribution function for massive particles | (84) & (156) | | th order perturbation of the photon distribution function | (79) | | Moments of the photon distribution function | (98) | | Collision term | (83) & (87) | | Magnitude of photon momentum () | (59) | | Propagation direction | (62) | | First-order fractional energy photon fluctuations | (128) | | Second-order fractional energy photon fluctuations | (132) | | Electron number density | (166) | | Electron (baryon) density perturbation | (94) | | Wavenumber | (142) | | Baryon velocity perturbation | (145) & (146) | | Cold dark matter velocity | (201) | | Second-order photon velocity | (187) | | Temperature source term | (143) | | Optical depth | (140) | | Background photon (baryon) energy density | (198) | | CMB angular-averaged bispectrum | (353) | | Fisher matrix for the amplitudes of the bispectra | (354) | | contamination to primordial non-Gaussianity | (359) |
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