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Pugnat P. Ballou R. Schott M. Husek T. Sulc M. Deferne G. Duvillaret L. Finger M. Finger M. Flekova L. Hosek J. Jary V. Jost R. Kral M. Kunc S. Macuchova K. Meissner K. A. Morville J. Romanini D. Siemko A. Slunecka M. Vitrant G. Zicha J. 《The European Physical Journal C - Particles and Fields》2014,74(8):1-7
Recent Planck measurements show some CMB anomalies on large angular scales, which confirms the early observations by WMAP. We show that an inflationary model, in which before the slow-roll inflation the Universe is in a superinflationary phase, can generate a large-scale cutoff in the primordial power spectrum, which may account for not only the power suppression on large angular scales, but also a large dipole power asymmetry in the CMB. We discuss an implementation of our model in string theory. 相似文献
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