CMB-lensing beyond the Born approximation

We investigate the weak lensing corrections to the cosmic microwave background temperature anisotropies considering effects beyond the Born approximation. To this aim, we use the small deflection angle approximation, to connect the lensed and unlensed power spectra, via expressions for the deflectio...

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Veröffentlicht in:	Journal of cosmology and astroparticle physics 2016-09, Vol.2016 (9), p.28-28
Hauptverfasser:	Marozzi, Giovanni, Fanizza, Giuseppe, Dio, Enea Di, Durrer, Ruth
Format:	Artikel
Sprache:	eng
Schlagworte:	ANISOTROPY ASTROPHYSICS, COSMOLOGY AND ASTRONOMY BORN APPROXIMATION CORRECTIONS DISTURBANCES GRAVITATIONAL LENSES MULTIPOLES PERTURBATION THEORY RELICT RADIATION SPECTRA
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