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arXiv · hep-th/0310206

Suppressing CMB Quadrupole with a Bounce from Contracting Phase to Inflation

Yun-Song Piao·Bo Feng·Xinmin Zhang
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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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Yun-Song Piao, Bo Feng, Xinmin Zhang. 2003-10-22. Suppressing CMB Quadrupole with a Bounce from Contracting Phase to Inflation. https://doi.org/10.1103/physrevd.69.103520

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