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CMB Alignment in Multi-Connected Universes

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arxiv astro-ph/0612308 v1 pith:F2N7TNYJ submitted 2006-12-12 astro-ph

classification astro-ph
keywords alignmentanisotropyextrememulti-connectedmultipolemultipolessomeangular
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The low multipoles of the cosmic microwave background (CMB) anisotropy possess some strange properties like the alignment of the quadrupole and the octopole, and the extreme planarity or the extreme sphericity of some multipoles, respectively. In this paper the CMB anisotropy of several multi-connected space forms is investigated with respect to the maximal angular momentum dispersion and the Maxwellian multipole vectors in order to settle the question whether such spaces can explain the low multipole anomalies in the CMB.

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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Fr\'echet Vectors as sensitive tools for blind tests of CMB anomalies

    astro-ph.CO 2024-11 conditional novelty 5.0 of 10

    Fréchet Vectors, built from Multipole Vectors, are more sensitive to CMB anisotropies, and Planck 2018 temperature maps show small tensions with a Gaussian and statistically isotropic sky.

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