Cosmic microwave background polarization signals from tangled magnetic fields

Tangled, primordial cosmic magnetic fields create small rotational velocity perturbations on the last scattering surface of the cosmic microwave background radiation. For fields which redshift to a present value of B0 = 3 x 10(-9) G, these vector modes are shown to generate polarization anisotropies...

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Bibliographic Details
Published in:Physical review letters 2001-09, Vol.87 (10), p.101301-101301, Article 101301
Main Authors: Seshadri, T R, Subramanian, K
Format: Article
Language:English
Subjects:
BACKGROUND RADIATION
DELTA FUNCTION
DETECTION
MAGNETIC FIELDS
PARITY
PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
POLARIZATION
SCALARS
SCATTERING
SPECTRA
VECTORS
VELOCITY
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Summary:Tangled, primordial cosmic magnetic fields create small rotational velocity perturbations on the last scattering surface of the cosmic microwave background radiation. For fields which redshift to a present value of B0 = 3 x 10(-9) G, these vector modes are shown to generate polarization anisotropies of order 0.1-4 microK on small angular scales (500
ISSN:0031-9007
1079-7114
DOI:10.1103/physrevlett.87.101301