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A Model Of Inflationary Cosmology Without Singularity · Around

2008

A Model Of Inflationary Cosmology Without Singularity

Cai, Yi-Fu, Qiu, Tao-tao, Xia, Jun-Qing et al.

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In this letter, we propose a model of inflationary cosmology with a bounce preceded and study its primordial curvature perturbations.

Our model gives rise to a primordial power spectrum with a feature of oscillation on large scales compared with the nearly scale-invariant spectrum generated by the traditional slow rolling inflation model.
We will show this effect changes the Cosmic Microwave Background (CMB) temperature power spectrum and the Large Scale Structure (LSS) matter power spectrum.
And further with a detailed simulation we will point out this signal is detectable to the forthcoming observations, such as PLANCK and LAMOST.

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M. Tegmark et al
2006
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Y. F. Cai, T. Qiu, Y. S. Piao, M. Li and X. Zhang, JHEP 0710
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M. Bojowald, Nature Phys. 3N8
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Y. F. Cai, T. Qiu, R. Brandenberger, Y. S. Piao and X. Zhang, JCAP 0803
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A. Corichi and P. Singh, Phys. Rev. Lett. 100
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Closest in time.

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