May 26, 2004Open Access

Suppressing the CMB quadrupole with a bounce from the contracting phase to inflation

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Abstract

Recent released WMAP data show a low value of quadrupole in the CMB temperature fluctuations, which confirms the early observations by COBE. In this paper, a scenario in which a contracting phase is followed by an inflationary phase is constructed. We calculate the perturbation spectrum and show that this scenario can provide a reasonable explanation for lower CMB anisotropies on large angular scales.

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Piao et al. (Wed,) studied this question.

synapsesocial.com/papers/6a16d787c23c548e2a7b94b3 https://doi.org/https://doi.org/10.1103/physrevd.69.103520

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