Comment on the paper of Jaffe et al (astro-ph/0503213) on evidence of vorticity and shear of the Universe

Details Comment on the paper of Jaffe et al (astro-ph/0503213) on evidence of vorticity and shear of the Universe Comment on the paper of Jaffe et al (astro-ph/0503213) on evidence of vorticity and shear of the Universe

2005-03-25

arxiv.org/abs/astro-ph/0503562v1

Astronomy and Astrophysics

Astrophysics

3 pages

Scientific paper

We show that recent results in the paper of Jaffe et al on evidence of vorticity and shear of the Universe are incorrect. They fit WMAP data with certain Bianchi model which is known to have a vanishing vorticity. The performed fit of the shear is not reliable because the respective formula seems not to be gauge invariant. We suggest a theoretical framework to analyze asymmetric large scale WMAP data.

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