Temperature and polarization patterns in anisotropic cosmologies

Sung, Rockhee and Coles, Peter ORCID: https://orcid.org/0000-0002-5535-2850 2011. Temperature and polarization patterns in anisotropic cosmologies. Journal of Cosmology and Astroparticle Physics 2011 (6) , 36. 10.1088/1475-7516/2011/06/036

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Abstract

We study the coherent temperature and polarization patterns produced in homogeneous but anisotropic cosmological models. We show results for all Bianchi types with a Friedman-Robertson-Walker limit (i.e. Types I, V, VII0, VIIh and IX) to illustrate the range of possible behaviour. We discuss the role of spatial curvature, shear and rotation in the geodesic equations for each model and establish some basic results concerning the symmetries of the patterns produced. We also give examples of the time-evolution of these patterns in terms of the Stokes parameters I, Q and U.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Physics and Astronomy
Subjects:	Q Science > QB Astronomy
Uncontrolled Keywords:	CMBR theory; CMBR polarization parameters; cosmology of theories beyond the SM
Publisher:	IOP Publishing
ISSN:	1475-7516
Last Modified:	19 Oct 2022 10:10
URI:	https://orca.cardiff.ac.uk/id/eprint/23469

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